单词:propulsion nozzle
单词:propulsion nozzle 相关文章
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Visionary Ideas Could Transform Future NASA Missions NASA, the U.S. space agency, has awarded $3 million in grants for 30 proposals which explore new ideas for Americas next generation space program. The proposals reflect wide-ranging visions of new
外部设施 information desk 服务台 hotel register book 旅客登记簿 registration form 登记表 newsstand 售报处 postal service 邮局服务处 shop 小卖部 bar 酒吧间 lounge 酒店大厅 billiard-room 台球房 dining-room, dining ha
Scientists Testing Space Propulsion by Light 科学家测试太阳能动力 Can the sun provide power for a spaceship to travel to the edge of our solar system? The answer may come from a small satellite. A Delta V rocket carried the satellite into s
NASA Working Toward Mission to Mars The head of the National Aeronautics and Space Administration, or NASA, said that the space agency is on track to land people on Mars in the 2030s. Charles Bolden is the administrator for NASA. He said that five ye
You pump it at a high pressure through a nozzle. You create a spray of detergent. 你用高压将它压过一个喷嘴,你制造了清洁剂喷雾。 Then the spray dries. It turns into powder. It falls to the floor. 喷雾干燥后就成了粉末,