liftoff
noun[C]
(alsolift-off)us/ˈlɪftˌɔf/themomentwhen aspacevehicleleavestheground
单词 | liftoff |
释义 | liftoff noun[C] (alsolift-off)us/ˈlɪftˌɔf/themomentwhen aspacevehicleleavestheground Examplesofliftoffliftoff It is presumed that the leg linear velocity l does not contribute significantly to the horizontal velocity atliftoff. From theCambridge English Corpus There is no velocity discontinuity atliftoffand no discontinuities in the position variables at all for the onelegged hopper. From theCambridge English Corpus We also have imposed a lower bound on the trunk forward speed at all points, and bounds on the leg inclination angle at touchdown andliftoffinstants. From theCambridge English Corpus Cryogenic propellants (liquid oxygen oxidizer, and liquid hydrogen fuel) need to be continuously topped off (replace boil-off) as scheduledliftoffapproaches. 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 prematureliftoff, 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 afterliftoff, 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 afterliftoff. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Four seconds afterliftoff, 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 atliftoffwas 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 atliftoffmust be more than the weight. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Atliftoff, 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 afterliftoff. 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 theliftoffvelocity 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 afterliftoff, 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 afterliftoff, knocked the onboard guidance platform offline. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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. |
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