(航天器) while in space, it is called a spacewalk. Astronauts go on spacewalks for many reasons. For example, experiments can be placed on the outside of a spacecraft. This lets scientists learn how being in space affects( 影响) different things. By going on spacewalks, astronauts can ...
T ethers are like ropes,connect the spacewalkers with the spacecraft.T hey keep astronauts from floating(漂浮) away into space.Another way astronauts stay safe during spacewalks is by wearing a SAFER.(为了确保宇航员和航天器的安全,宇航员必须离开并通过特殊的门回到航天器。在太空行走时,宇航员使用...
These suits are also known as extravehicular mobility units, or EMUs. To keep the astronaut alive, a special backpack called a primary life support subsystem is provided. This backpack provides oxygen to the astronaut while he is outside the spacecraft and disposes of carbon dioxide as it is ...
Anytime an astronaut gets out of a spacecraft(航天器) whie in space,itis called a spacewalk. Astronauts go on spacewalks for many reasons. Forexample, experiments can be placed on the outside of a spacecraf. This lets scientists learn howbeing in space affects (影响) diferent things. By...
What is the person's title? How are mr. Smith used in English speaking countries? What's the order of Chinese names? Give an expression of the Chinese name called in English? Do you use your first name of your name with your class? Cara. Terror. Cairo. Not formal or not for a ...
A. The new space suit and the present American space suit. B. The present American and Russian space suits. C. The new pace suit and the present Russian space suit. D. The Apollo space suit and the Mercury space suit. 相关知识点: 试题...
()10. What's the passage mainly about? A. Space suits. B. Computers. C. Mobile phones.()11. Which isn't mentioned in the passage? A. Sending e-mails. B. Listening to music. C. Chatting with friends.()12. How many new fields of use of mobile phones are mentioned in the ...
The spacesuits and the robotic arm for China's space station were designed and produced in the country. The spacesuits are an upgrade to the suits used previously on the Shenzhou-7 mission. Check out this video to learn more about China's new generation spacesuits....
Today, only three countries have finished spacewalks independently. They are Russia, the United States and China. The first person to go on a spacewalk in the world was Alexei Leonov from Russia. Zhai Zhigang is the first Chinese astronaut to go on a spacewalk. The world record of spacewalk...
So what is a spacewalk?Any time an astronaut goes out in spacesuits,it is called a spacewalk.How do astronauts go on spacewalks?They wear spacesuits to keep themselves safe. Inside spacesuits,astronauts have the air they need to breathe(呼吸)and the water they need...