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對于任意的截面, 比值Mp/My叫做形狀系數(shù).For any section, the ratio Mp / My is called the shape factor.控制單元的形狀是任意的.The shape of the control box is arbitrary.如果它們是可見的, 就可以被動態(tài)地放到5個任意的位置之一.If they are visible, they can be dynamically positio...

“任意的”的英語可以翻譯為：aleatoric，arbitrary，[經(jīng)] voluntary，faculative，discretional ...