单词：high altitude equipment
单词：high altitude equipment 相关文章
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背诵为王第四册
Janice Lieberman: America is a cell phone nation, dialing, texting and ringing, nonstop. (Inaudible) Ding? Yeah? Hello? Janice Lieberman: Although we can't live without our cell phones, most people do
万花筒2006年
In 1940, North American Aviation designed the legendary P-51 Mustang in response to the British need for a high-performance fighter aircraft. The Mustang featured the most advanced laminar flow wing and a ducted cooling radiator positioned under the
国家地理2007年
Why Does Altitude Cause Headache? Mountain climbers face many dangers as they brave the cold winds and icy slopes and jagged cliffs of the peaks they climb. But one of the most serious dangers they face is all in their headsliterally. Why does altitu
英语听力文摘 English Digest
Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T
2017年VOA慢速英语(九)月
Americans shower their loved ones with gifts on Valentine's Day, with chocolate being the most popular gift-giving item, according to a recent National Retail Federation survey. The organization estimates consumers will spend $1.7 million on chocolat
VOA标准英语2017年(二月)
To northwest China's Xinjiang Uygur Autonomous region now, where a blizzard has lasted almost half a month in many parts of the province. It is the longest blizzard recorded there in a decade. In mountainous areas, snow is up to nearly two meters hig
cctv9英语新闻2016年
TechShop Puts High-Tech Dreams Within Reach 科技商店让高科技梦想触手可及 Maurice Mountain is a retired lawyer in Washington, D.C. He developed a prototype for a device he calls the Presto Emergency Boat Ladder. His invention is a small
2015年VOA慢速英语(一)月
U-2 Spy Plane Still Flying High One of the oldest planes the United States Air Force still flies is used to carry out some of America's most sensitive and critical missions. Whether it's aiding NATO troops in Afghanistan, providing surveillance over
VOA标准英语2011年(十二月)
TechShop Puts High-tech Dreams Within Reach 美国创客空间TechShop让科技梦触手可及 Retired lawyer Maurice Mountain uses a CNC Router to produce a prototype of his Presto Emergency Boat Ladder. He's planning to mass produce his invention,
VOA标准英语2014年(十月)
HAIKOU, Jan. 28 (Xinhua) -- China's aviation authorities(民航当局) on Friday started to allow helicopters to fly in low-altitude airspace over the tourist island of Hainan on a trial basis for the first time. The aim is to eventually open a part
英语新闻
The city of Changsha, capital of central China's Hunan Province, is considered one of the manufacturing centers of China, with four of the world's top 50 machinery manufacturing companies based in the city. The industrial development is now turning i
2018CRI中国国际广播电台
SHENYANG, Aug. 23 (Xinhua) -- China will relax the ban on the use of low-altitude airspace across the country starting in 2013, the country's air traffic authorities said Thursday. A series of reforms will be implemented in five to ten years, creatin
英语新闻
GUIDE, China, Jan. 12 (Xinhua) -- The 3rd International Extreme Race of Winter Swimming across Yellow River started here in northwest China's Qinghai Province on Saturday. Being hosted in Guide County at an altitude of 2,200 meters in Tibetan Plateau
英语新闻
中国标准化规范词汇大全 通用计量术语及定义 General Terms in Metrology and Their Definitions 国家计量检定规程编写规则 The Rules for Drafting National Metrological Verification Regulation 流量计量名词术语及定义
实用英语
World-Class Runners Flock to Kenyan Town Lornah Kiplagat is a Kenyan-born athlete who has won marathons throughout the world and holds several world records. She and her husband Pieter founded the High Altitude Training Center in Iten, Kenya, after r
VOA标准英语2012年(二月)
Sudden snowfall earlier this week blocked a national highway in Xinjiang Uygur Autonomous Region. The local traffic control department worked nearly 20 hours to clear the snow, and traffic in the area has now returned to normal. The snow started arou
cctv9英语新闻2015年
Cosmic Radiation 上世纪早期，科学家发现一种神秘的辐射形式会破坏他们的实验。后来奥地利物理学家Victor Hess研究发现辐射可能来自天空。后来他多次坐热气球用各种仪器（包括测量放射电荷的
英语听力文摘 English Digest
年底啦，如果你在计划过年去哪儿玩或是明年的出国游，不如看看权威旅游刊物Lonely Planet推荐的2017年十大旅游目的国！这些地方，好玩儿、人少、又不贵！跟Jenny, Spencer一起体验吧！ 关键词：
美国文化脱口秀
Change altitude 改变高度 Rebecca had decided that her best chance of getting hired by a company doing geological survey work in the Alaskan wilderness was to earn a private license to fly twin-engine planes. 丽贝卡觉得，要想进入在阿拉斯
找谁倚靠(慢速)