trunk bending 中文意思是什麼
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For example, an elephant ' s four tree trunk - like legs keep its center of mass over its feet, while t. rex would have had to balance its mass differently over its two small legs, bending them to keep from toppling over
比如，大象的樹干般的四條腿能讓它的質心保持在腿上，而暴龍必須通過將讓它們彎曲以避免摔倒，而用不同地方式在兩條腿上保持平衡。 -
Test method for static minimum bending radius for coaxial trunk, feeder, and distribution cables
共軸總線饋電線和配線電纜用靜態最小彎曲半徑的試驗方法
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