upward axis 中文意思是什麼
upward axis
解釋
向上軸-
Moreover, for asymmetric structure by the horizontal axis, when the annular cable is horizontal, the same scale of the two parts ( upward and downward ) of all masts must be satisfied
並證明對于沿水平軸不對稱的結構，當環索水平時，各桅桿被水平軸劃分的上下部分必須滿足同樣的比例關系。
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