radian length 中文意思是什麼
radian length
解釋
弧長-
A radian is the angle subtended by an arc of a circle whose length is just equal to the radius.
一弧度就是長度剛好等於半徑的一段圓弧所對的圓心角。 -
Regulating of bundled conductors amp; amp; radian length in increasing voltage of transmission lines
輸電線路升壓改造中分裂導線與孤垂調整
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