《走近科学》 天堑变通途(上):平塘特大桥 贵州公路桥里的“天空之桥” 20190122 | CCTV走近科学官方频道

走近科学频道 January 23, 2019
Video Thumbnail
走近科学频道 Logo

走近科学频道

View Channel

About

《走近科学》是中央电视台首个大型科普栏目。央视科教频道开播,《走近科学》作为主打栏目进入CCTV-10科教频道在晚间黄金时段播出。该节目生产了大量优质的电视科技节目,在各类节目评奖中屡次获奖,多次受到党和国家领导人的表扬,已成为中国电视科普的一面旗帜。 《走近科学》高清列表:https://bit.ly/3oOz7Ex 版权问题可联系邮箱[email protected] 内容及其他商务事宜请联系邮箱[email protected]

Video Description

本期节目主要内容: 地处中国西南腹地的贵州,自古就被称为“地无三里平”。千百年来,高山和峡谷阻碍着它与外界的联系,这里是中国的欠发达地区,有着为数众多的贫困人口。要解决这个问题,最好的方法是架桥修路。平塘特大桥的设计建造集中了中国劳动人民的勤劳和智慧,建成之后将成为贵州公路桥里的“天空之桥”。 《走近科学》以弘扬科学精神、宣传科学思想、提倡科学方法、传播科学知识为主要内容,每期节目由一条新闻线索引出,讲述新闻热点背后的科学问题和科学发展中的重要问题:对社会生活中焦点、热点、疑点、难点及新现象给予科学的解释:对科学事件进行真实记录,引发观众对科学的兴趣。 《走近科学》官方高清播放列表:https://goo.gl/YR8F34 【订阅CCTV走近科学官方频道】https://goo.gl/dH4u6E ■□更多精彩CCTV科教官方视频■□ 《健康之路》官方高清播放列表:https://goo.gl/HHRckH 《原来如此》官方高清播放列表:https://goo.gl/THgGLk 《我爱发明》官方高清播放列表:https://goo.gl/Rx2dcQ 《科技之光》官方高清播放列表:https://goo.gl/wvhvog 《讲述》官方高清播放列表:https://goo.gl/ZZ5Lpx 《人物》官方高清播放列表:https://goo.gl/ZjB9JL 《大家》官方高清播放列表:https://goo.gl/oTEBRH ■□关注CCTV中央电视台其他平台官方账号■□ Facebook: https://www.facebook.com/cctvcom Twitter: https://twitter.com/CCTV Instagram: http://instagram.com/cctv ■□欢迎关注更多精彩官方频道■□ CCTV中国中央电视台:https://goo.gl/gYT8W8 CCTV中文国际: http://goo.gl/HcZaeZ CCTV电视剧: https://goo.gl/zRNNz4 CCTV English:http://goo.gl/CpzC0H iPanda:http://goo.gl/jHLOia ■□更多精彩官方视频,请关注我们■□ CCTV中国中央电视台:https://goo.gl/gYT8W8 CCTV财经:https://goo.gl/Q3wA0c CCTV综艺:https://goo.gl/34d95K CCTV中文国际: http://goo.gl/HcZaeZ CCTV电视剧:https://goo.gl/VxYm5w CCTV纪录:https://goo.gl/ZvDnPr CCTV科教:https://goo.gl/qpJZuB CCTV戏曲:https://goo.gl/i1pRSj CCTV社会与法:https://goo.gl/CyTCHE CCTV少儿:https://goo.gl/VFauqN CCTV LIVE:https://goo.gl/kcE2H0 CCTV春晚:https://goo.gl/rmJMd5 CCTV挑战不可能官方频道:https://goo.gl/iZqxMm CCTV开讲啦官方频道:https://goo.gl/Wtqx6u CCTV今日说法官方频道:https://goo.gl/JfJxpY CCTV美食:https://goo.gl/RqoGzA CCTV百家讲坛官方频道:https://goo.gl/4C6x8q

You May Also Like

Upgrade Your Everyday

AI-recommended products based on this video

Loading...
Kasa Smart Outdoor Smart Plug by TP-Link (KP400) - Smart WiFi Outlet with 2 Sockets, IP64 Waterproof, Works with Alexa and Google Home, 2.4GHz WiFi Required, No Hub Required, Sunset & Sunrise Offset

Kasa Smart Outdoor Smart Plug by TP-Link (KP400) - Smart WiFi Outlet with 2 Sockets, IP64 Waterproof, Works with Alexa and Google Home, 2.4GHz WiFi Required, No Hub Required, Sunset & Sunrise Offset

(28,846)
$21.99$17.99
FREE delivery Wed, Aug 20 on your first order
1K+ bought in past month
Loading...
Wireless Earbuds, Sports Bluetooth Headphones, 80Hrs Playtime Ear Buds with LED Power Display, Noise Canceling Headset, IPX7 Waterproof Earphones for Workout/Running(Black)

Wireless Earbuds, Sports Bluetooth Headphones, 80Hrs Playtime Ear Buds with LED Power Display, Noise Canceling Headset, IPX7 Waterproof Earphones for Workout/Running(Black)

(299)
$32.99
Prime
Loading...
Wireless Earbuds, Bluetooth 5.4 Headphones HiFi Stereo with 4 HD Mic, 50H Playtime Bluetooth Earbuds with LED Display, IPX7 Waterproof Wireless Earphones, Touch Control Ear Buds,USB-C White

Wireless Earbuds, Bluetooth 5.4 Headphones HiFi Stereo with 4 HD Mic, 50H Playtime Bluetooth Earbuds with LED Display, IPX7 Waterproof Wireless Earphones, Touch Control Ear Buds,USB-C White

(228)
$26.99
Prime
Loading...
Wireless Earbuds, Bluetooth Ear Buds 5.4 Mini HiFi Stereo with 4 ENC Noise Cancelling Mics Wireless Headphones, in Ear Earphones 40H IP7 Waterproof, USB C, Bluetooth Earbuds for Sports, Gym, Rose

Wireless Earbuds, Bluetooth Ear Buds 5.4 Mini HiFi Stereo with 4 ENC Noise Cancelling Mics Wireless Headphones, in Ear Earphones 40H IP7 Waterproof, USB C, Bluetooth Earbuds for Sports, Gym, Rose

(323)
$31.99
FREE delivery Wed, Dec 3 on your first order
500+ bought in past month
Loading...
soundcore P31i by Anker, Real-Time Adaptive Noise Cancelling, Hi-Res Sound, Translation Earbuds, 50H Playtime, Wireless Earbuds, Bluetooth Earphones, Spatial Audio, Fast Charging, IP55 ClimatePartner certified

soundcore P31i by Anker, Real-Time Adaptive Noise Cancelling, Hi-Res Sound, Translation Earbuds, 50H Playtime, Wireless Earbuds, Bluetooth Earphones, Spatial Audio, Fast Charging, IP55 ClimatePartner certified

(105)
$39.99
FREE delivery Thu, Nov 27
Loading...
Brita Stainless Steel Premium Filtering Water Bottle, BPA-Free, Reusable, Insulated, Replaces 300 Plastic Water Bottles, Filter Lasts 2 Months or 40 Gallons, Includes 1 Filter, Carbon - 20 oz.

Brita Stainless Steel Premium Filtering Water Bottle, BPA-Free, Reusable, Insulated, Replaces 300 Plastic Water Bottles, Filter Lasts 2 Months or 40 Gallons, Includes 1 Filter, Carbon - 20 oz.

(2,652)
$81.37$76.36
FREE delivery Sep 29 - Oct 2
Loading...
Simple Modern Filtered Water Bottle | Insulated Stainless-Steel Carbon Filter Travel Water Bottles | Reusable for Clean Drinking Water On The Go | 24oz, Sea Glass Sage

Simple Modern Filtered Water Bottle | Insulated Stainless-Steel Carbon Filter Travel Water Bottles | Reusable for Clean Drinking Water On The Go | 24oz, Sea Glass Sage

(26)
$30.13
FREE delivery Tue, Sep 23 on your first order
Loading...
FITVII Health & Fitness Tracker (Answer/Make Calls), Smart Watch with 24/7 Heart Rate and Blood Pressure, Sleep Tracking Monitor, 120+ Sport Mode Activity Tracker

FITVII Health & Fitness Tracker (Answer/Make Calls), Smart Watch with 24/7 Heart Rate and Blood Pressure, Sleep Tracking Monitor, 120+ Sport Mode Activity Tracker

(198)
$59.99
FREE delivery Sun, Aug 10
100+ bought in past month
Loading...
AYATAHA AYATAHA Smart Watch for Kids, Smartwatch Fitness Tracker for Boys Girls, Children's Activity Watch 37 Sports Modes SMS Notification, HD Full Touchscreen IP67 Waterproof, Blue

AYATAHA AYATAHA Smart Watch for Kids, Smartwatch Fitness Tracker for Boys Girls, Children's Activity Watch 37 Sports Modes SMS Notification, HD Full Touchscreen IP67 Waterproof, Blue

(55)
$41.99
PrimeFREE delivery Sat, Jun 14
Loading...
Iaret Iaret Smart Watch for Women, 1.83" HD Fitness Tracker with 4 Bands, Answer/Make Calls, Heart Rate/Sleep/SpO2/Step Tracking, 100+ Sport Modes, Android/iPhone Compatible Gift (Rose Gold)

Iaret Iaret Smart Watch for Women, 1.83" HD Fitness Tracker with 4 Bands, Answer/Make Calls, Heart Rate/Sleep/SpO2/Step Tracking, 100+ Sport Modes, Android/iPhone Compatible Gift (Rose Gold)

(42)
$59.99
FREE delivery Thu, Jun 19
100+ bought in past month
Loading...
Smart Watch for Men Women 1.8" Fitness Tracker, Bluetooth Call, DIY Dial, Heart Rate Sleep Blood Oxygen Monitor, 100+ Sports Modes, IP68 Waterproof Smartwatch for Android iPhone, Alexa Built-in

Smart Watch for Men Women 1.8" Fitness Tracker, Bluetooth Call, DIY Dial, Heart Rate Sleep Blood Oxygen Monitor, 100+ Sports Modes, IP68 Waterproof Smartwatch for Android iPhone, Alexa Built-in

(980)
$39.99
FREE delivery Sun, Sep 21
300+ bought in past month
Loading...
Hand Warmers 2 Pack, 14000mAh Rechargeable Hand Warmers, Electric Hand Warmer Reusable, Portable Power Bank USB Hand Warmers 4 Levels 8 Heating, Gifts for Raynauds Ski Golf Camping

Hand Warmers 2 Pack, 14000mAh Rechargeable Hand Warmers, Electric Hand Warmer Reusable, Portable Power Bank USB Hand Warmers 4 Levels 8 Heating, Gifts for Raynauds Ski Golf Camping

(683)
$74.08$59.47
FREE delivery Jun 13 - 18
Loading...
Hand Warmers Rechargeable, 10000mAh Electric Heated Gloves Power Bank Portable Graphene Handwarmers Pouch with 3 Levels & Double-Sided Heating for Hunting Camping Golf Xmas Gifts for Women Men Kids

Hand Warmers Rechargeable, 10000mAh Electric Heated Gloves Power Bank Portable Graphene Handwarmers Pouch with 3 Levels & Double-Sided Heating for Hunting Camping Golf Xmas Gifts for Women Men Kids

(651)
$44.99
PrimeFREE delivery Sun, Jun 15
Loading...
2Pack Rechargeable Hand Warmer, 8000mAh Electric Hand Warmer Power Bank, Portable USB-C Hand Warmer for Pocket, Reusable Hand Warmer Up to 8 hrs Each, Warm Gift for Men Women, for Hunting, Camping
Amazon's Choice

2Pack Rechargeable Hand Warmer, 8000mAh Electric Hand Warmer Power Bank, Portable USB-C Hand Warmer for Pocket, Reusable Hand Warmer Up to 8 hrs Each, Warm Gift for Men Women, for Hunting, Camping

(1,128)
$15.99
FREE delivery Sat, Jun 14 on your first order
Loading...
GTOCE Portable Charger,40000mAh Power Bank with 22.5W Fast Charging LED Digital Display Battery Pack with 6 Outputs 2 Inputs, Type C Powerbank Portable Charger for iPhone 16 pro Samsung AirPods,Black

GTOCE Portable Charger,40000mAh Power Bank with 22.5W Fast Charging LED Digital Display Battery Pack with 6 Outputs 2 Inputs, Type C Powerbank Portable Charger for iPhone 16 pro Samsung AirPods,Black

(334)
$42.99
FREE delivery Thu, Oct 16
1K+ bought in past month
Loading...
YMZ Smart Watch for Men Women, IP68 Waterproof, Bluetooth Calling, Fitness Tracker, Sleep Monitoring, 1.85'' DIY Dial, AI Built-in, 100+ Sports Modes, 7 Days Battery, Compatible with Android & iPhones

YMZ Smart Watch for Men Women, IP68 Waterproof, Bluetooth Calling, Fitness Tracker, Sleep Monitoring, 1.85'' DIY Dial, AI Built-in, 100+ Sports Modes, 7 Days Battery, Compatible with Android & iPhones

(331)
$49.99
FREE delivery Thu, Jun 19
1K+ bought in past month
Loading...
Smart Watch for Men Women 1.8" Fitness Tracker, Bluetooth Call, DIY Dial, Heart Rate Sleep Blood Oxygen Monitor, 100+ Sports Modes, IP68 Waterproof Smartwatch for Android iPhone, Alexa Built-in

Smart Watch for Men Women 1.8" Fitness Tracker, Bluetooth Call, DIY Dial, Heart Rate Sleep Blood Oxygen Monitor, 100+ Sports Modes, IP68 Waterproof Smartwatch for Android iPhone, Alexa Built-in

(980)
$39.99
FREE delivery Sun, Sep 21
300+ bought in past month
Loading...
Smart Watch for Men Women with Bluetooth Call, Alexa Built-in, Heart Rate & Sleep Monitor, 1.83" DIY Dial Fitness Watch with 100+ Sport Modes, IP68 Waterproof, Compatible with Android iOS

Smart Watch for Men Women with Bluetooth Call, Alexa Built-in, Heart Rate & Sleep Monitor, 1.83" DIY Dial Fitness Watch with 100+ Sport Modes, IP68 Waterproof, Compatible with Android iOS

(182)
$49.99
FREE delivery Fri, Oct 31
2K+ bought in past month
Loading...
Smart Watch for Men Women with Bluetooth Call, Alexa Built-in, Heart Rate & Sleep Monitor, 1.83" DIY Dial Fitness Watch with 100+ Sport Modes, IP68 Waterproof, Compatible with Android iOS
Best Seller

Smart Watch for Men Women with Bluetooth Call, Alexa Built-in, Heart Rate & Sleep Monitor, 1.83" DIY Dial Fitness Watch with 100+ Sport Modes, IP68 Waterproof, Compatible with Android iOS

(142)
$44.99
FREE delivery Tue, Oct 21
Loading...
Hydroponics Growing System Indoor Garden - Herb Garden with Grow Light, 15 Pods Stainless Steel Indoor Garden Kit, Auto Timer, Gardening Gift for All Ages

Hydroponics Growing System Indoor Garden - Herb Garden with Grow Light, 15 Pods Stainless Steel Indoor Garden Kit, Auto Timer, Gardening Gift for All Ages

(24)
$206.57$200.61
FREE delivery Jun 13 - 17
Loading...
Umbra Triflora Hanging Planter for Window, Indoor Herb Garden, Set of 5, White/Black

Umbra Triflora Hanging Planter for Window, Indoor Herb Garden, Set of 5, White/Black

(7,808)
$71.52
PrimeFREE delivery Sat, Jun 14
Loading...
Large Hydroponics Growing System 14 Pods, Indoor Herb Garden with LED Grow Light, 5L Water Tank, Hydroponic Grow Kit with 3 Auto-Timers, Rotatable Light Panel and Child Lock for Home School Gardening

Large Hydroponics Growing System 14 Pods, Indoor Herb Garden with LED Grow Light, 5L Water Tank, Hydroponic Grow Kit with 3 Auto-Timers, Rotatable Light Panel and Child Lock for Home School Gardening

(119)
$167.81
FREE delivery Jun 16 - 20
Loading...
Hanging Planter Hanging Plant Holder, 6 Inch 4 Indoor Plant Pots, Wall/Window Plant Hanger Indoor Herb Garden

Hanging Planter Hanging Plant Holder, 6 Inch 4 Indoor Plant Pots, Wall/Window Plant Hanger Indoor Herb Garden

(269)
$35.99$28.90
PrimeFREE delivery Sat, Jun 14
Loading...
Ninja Air Fryer Pro 5-in-1, 5 QT Capacity, Air Fry, Bake, Roast, Reheat, and Dehydrate, Air Crisp Technology, Nonstick Basket & Crisper Plate, Grey, AF142C

Ninja Air Fryer Pro 5-in-1, 5 QT Capacity, Air Fry, Bake, Roast, Reheat, and Dehydrate, Air Crisp Technology, Nonstick Basket & Crisper Plate, Grey, AF142C

(650)
$100.99
FREE delivery Thu, Oct 16
500+ bought in past month
Loading...
Glass Oil Sprayer for Cooking, 180ml Olive Oil Sprayer Bottle with Brush, Olive Oil Spray Mister, Kitchen Gadgets Accessories for Air Fryer, Canola Oil Spritzer (GREY)

Glass Oil Sprayer for Cooking, 180ml Olive Oil Sprayer Bottle with Brush, Olive Oil Spray Mister, Kitchen Gadgets Accessories for Air Fryer, Canola Oil Spritzer (GREY)

(2,436)
$7.99
FREE delivery Mon, Jun 16 on your first order
Loading...
Hi.FANCY Portable Laptop Stand with Dual Cooling Fans for 14-17inch Laptops, Grey, 23.5 x 25.9 x 0.95cm

Hi.FANCY Portable Laptop Stand with Dual Cooling Fans for 14-17inch Laptops, Grey, 23.5 x 25.9 x 0.95cm

(0)
$36.99
FREE delivery Aug 18 - 28
Loading...
Laptop Stand for Desk, Adjustable Laptop Riser ABS+Silicone Foldable Portable Laptop Holder, Ventilated Cooling Notebook Stand for 10-15.6” Laptops,Tablet-Black

Laptop Stand for Desk, Adjustable Laptop Riser ABS+Silicone Foldable Portable Laptop Holder, Ventilated Cooling Notebook Stand for 10-15.6” Laptops,Tablet-Black

(11,679)
$14.99
FREE delivery Sat, Jun 14 on your first order
500+ bought in past month
Loading...
JETech 5 in 1 Case for Samsung Galaxy S25 Ultra 5G with 2-Pack Each Tempered Glass Screen Protector and Camera Lens Protector, Non-Yellowing Shockproof Bumper Phone Cover (Clear)

JETech 5 in 1 Case for Samsung Galaxy S25 Ultra 5G with 2-Pack Each Tempered Glass Screen Protector and Camera Lens Protector, Non-Yellowing Shockproof Bumper Phone Cover (Clear)

(197)
$15.99
FREE delivery Sat, Jun 14 on your first order
100+ bought in past month
Loading...
TAURI for iPhone 17 Pro Max Case 6.9" with 1-Pack Screen Protector, Camera Lens Full Protection, Military-Grade Protection, Shockproof Transparent Back Bumper Phone Cover - Clear Global Recycled Standard

TAURI for iPhone 17 Pro Max Case 6.9" with 1-Pack Screen Protector, Camera Lens Full Protection, Military-Grade Protection, Shockproof Transparent Back Bumper Phone Cover - Clear Global Recycled Standard

(0)
$10.76
FREE delivery Thu, Oct 16 on your first order
2K+ bought in past month
Loading...
TAURI for iPhone 17 Pro Case 6.3" with 1-Pack Screen Protector, Camera Lens Full Protection, Military-Grade Protection, Shockproof Transparent Back Bumper Phone Cover - Clear Global Recycled Standard
Best Seller

TAURI for iPhone 17 Pro Case 6.3" with 1-Pack Screen Protector, Camera Lens Full Protection, Military-Grade Protection, Shockproof Transparent Back Bumper Phone Cover - Clear Global Recycled Standard

(61,696)
$10.76
Prime
2K+ bought in past month
Loading...
JOINPAYA 1Set Rechargeable Hand Warmer Hand Heater for Winter Heating Levels Compact

JOINPAYA 1Set Rechargeable Hand Warmer Hand Heater for Winter Heating Levels Compact

(0)
$9.29
FREE delivery Jun 20 - Jul 4
Loading...
Shakven Rechargeable Hand Warmer | Cute Comfortable Portable Hand Warmers,Ergonomic Adjustable Energy-Efficient Small Heater for Travel, Outdoor, Winter

Shakven Rechargeable Hand Warmer | Cute Comfortable Portable Hand Warmers,Ergonomic Adjustable Energy-Efficient Small Heater for Travel, Outdoor, Winter

(0)
$26.93
FREE delivery Jun 19 - Jul 2
Loading...
OCOOPA IP45 Waterproof Hand Warmer Rechargeable, Up to 15hrs Heat,10000mAh Durable Quick Charge Electric Hand Heater, PD Compatible, 3 Levels for Outdoors, Heavy Duty, H01-PD PRO

OCOOPA IP45 Waterproof Hand Warmer Rechargeable, Up to 15hrs Heat,10000mAh Durable Quick Charge Electric Hand Heater, PD Compatible, 3 Levels for Outdoors, Heavy Duty, H01-PD PRO

(50)
$39.99
PrimeFREE delivery Sat, Jun 14
Loading...
OCOOPA IP45 Waterproof Hand Warmer Rechargeable, Up to 15hrs Heat,10000mAh Durable Quick Charge Electric Hand Heater, PD Compatible, 3 Levels for Outdoors, Heavy Duty, H01-PD PRO

OCOOPA IP45 Waterproof Hand Warmer Rechargeable, Up to 15hrs Heat,10000mAh Durable Quick Charge Electric Hand Heater, PD Compatible, 3 Levels for Outdoors, Heavy Duty, H01-PD PRO

(649)
$39.99
PrimeFREE delivery Sat, Jun 14