例句與造句

1. The delta-v requirements for sub-orbital spaceflight are much lower than for orbital spaceflight.
2. Buran completed one unmanned orbital spaceflight in 1988 before its cancellation in 1993.
3. The delta-v requirements for sub-orbital spaceflight are much lower than for orbital spaceflight.
4. To achieve an orbit, a spacecraft must travel faster than a sub-orbital spaceflight.
5. The Tronador I is an unguided liquid-fueled rocket used for sub-orbital spaceflight test flights.
6. It's difficult to find orbital spaceflight in a sentence. 用orbital spaceflight造句挺難的
7. Meanwhile, Wednesday marked the 40th anniversary of the first orbital spaceflight by an American.
8. Most ballistic missiles exit the Earth's atmosphere and re-enter it in their sub-orbital spaceflight.
9. Megaroc had been planned for sub-orbital spaceflight by the British Interplanetary Society in the 1940s.
10. To achieve orbital spaceflight, the tangential velocity around the Earth is as important as altitude.
11. In 2004, a sub-orbital spaceflight was attempted in order to get a camera above Earth's atmosphere.
12. Some sub-orbital flights have been undertaken to test spacecraft and launch vehicles later intended for orbital spaceflight.
13. This list, by Jonathan McDowell has a complete list of all orbital spaceflights up to early 2006.
14. The city is also the headquarters for Virgin Galactic, the world's first company to offer sub-orbital spaceflights.
15. Usually a rocket is used, but experimental sub-orbital spaceflight has also been achieved with a space gun.
16. In 2011, the company announced plans to offer beer tasting on sub-orbital spaceflights and zero gravity flights.
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