| 词汇 | liftoff |
| 释义 | liftoff noun[ C ] (alsolift-off)us/ˈlɪftˌɔf/ the moment when a space vehicle leaves the ground Examples of liftoffliftoff It is presumed that the leg linear velocity l does not contribute significantly to the horizontal velocity at liftoff. There is no velocity discontinuity at liftoff and no discontinuities in the position variables at all for the onelegged hopper. We also have imposed a lower bound on the trunk forward speed at all points, and bounds on the leg inclination angle at touchdown and liftoff instants. Cryogenic propellants (liquid oxygen oxidizer, and liquid hydrogen fuel) need to be continuously topped off (replace boil-off) as scheduled liftoff approaches. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The cause of the crash was determined to be a premature liftoff, followed by a stall and mush into a 12-foot embankment. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Five seconds after liftoff, the left engine fire alarm sounded in the cockpit. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At this point, the volume of enemy fire intensified, hitting the helicopter and causing it to crash shortly after liftoff. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Four seconds after liftoff, the engine overheated and burned through its gas generator, severing an oxidiser line. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Orbiter mass at liftoff was 247,129 pounds (112,096 kg) including payload. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For vertical launch of a rocket the initial thrust at liftoff must be more than the weight. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At liftoff, these engines will generate a total of 130000 kg of thrust. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Impact with the ground occurred 30 seconds after liftoff. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. V is simply the integral under the shock acceleration curve, equivalent to the liftoff velocity of the object undergoing shock loading. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Approximately fifteen seconds after liftoff, the rocket fell back to the ground and exploded. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The second strike, at 52 seconds after liftoff, knocked the onboard guidance platform offline. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of liftoff These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
| 随便看 |
|
反思网英语在线翻译词典收录了377474条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。