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单词
midcourse
释义
WordReference Random House Unabridged Dictionary of American English © 2024
mid•course
(mid
′
kôrs′, -kōrs′),
USA pronunciation
n.
the middle of a course.
Rocketry
the portion of a ballistic trajectory between the end of powered flight and the beginning of the reentry phase.
Aerospace
the portion of a space trajectory between leaving the earth's vicinity and arrival at the desired destination, as another planet.
mid
- +
course
1555–65
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更新时间:2025/7/23 10:31:30