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单词
center of percussion
释义
WordReference Random House Unabridged Dictionary of American English © 2024
cen
′
ter of percus
′
sion,
[
Mech.
]
Mechanics
the point on a rigid body, suspended so as to be able to move freely about a fixed axis, at which the body may be struck without changing the position of the axis.
1720–30
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更新时间:2025/12/3 3:39:33