单词：high altitude hypotension
单词：high altitude hypotension 相关文章
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
Today, I went hiking with my friends. As we traveled for some distance, so this time we could see the different scenery. At first, we decided to see the sunrise, but all of us missed the perfect time, so we changed our plan, we decided to watch sunse
英语作文
坚持不懈，直到成功。 我们每天的奋斗就像对参天大树的一次砍击，头几刀可能了无痕迹。每一击看似微不足道，然而，累积起来，巨树终会倒下。这恰
四六级词汇与结构练习
[00:-1.00]raft white-water rafting accommodation extra [00:-1.50]筏 漂流 住处 额外的 [00:-2.00]arrangement Himalayas Qomolangma organisation [00:-2.50]排列 喜马拉雅山脉 珠穆朗玛峰 组织 [00:-3.00]uncomfortable route porter lugga
高中英语北京必修模块
[00:00.00]To that end,we do bring in from outside er [00:03.54]organizations and individuals who have [00:05.64]expertise in this area to actually share with [00:08.58]our youngtersand having outside facilitators [00:12.11]who are not teachers often
北师大版高中英语模块10(选修)
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)
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
Ladies and gentlemen, this is the Captain speaking. We will be landing at Bangkok International Airport in 20 minutes. Our flying altitude is 7000 feet. The local time is 9:45 p.m. and the ground temperature is 25 degrees Centigrade, or 77 degrees Fa
这句英语怎么说
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
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)
The atmospheric pressure as we climb is getting so low 气压在逐渐减小 that without any air supply,I'd be unconscious within 20 seconds. 如果不戴呼吸器 不用20秒我就会休克过去 I have to breathe 100% oxygen to avoid getting nitro
荒野求生
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)