hodograph
'hɔdә^rɑ:f
基本解释
[电] 速度图
英文释义
n. A curve described by the moving extremity of a line the
other end of which is fixed, this line being constantly parallel to the
direction of motion of, and having its length constantly proportional
to the velocity of, a point moving in any path; -used in investigations
respecting central forces.
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