moment arm

常见例句

And in that moment my right arm went totally paralyzed by my side. And I realized, "Oh my gosh! I'm having a stroke!"
正在这个时侯，我的右臂突然麻痹，我由此而意识到自己是中风了。
Results The length and the moment arm of the biceps femoris(short head)during knee flexion are calculated and analyzed.
结果对研究对象膝关节屈曲运动中股二头肌短头力臂及长度进行计算和分析。
OVERTURNING refers to the tipping over of the retaining wall as it rotates about the toe of the structure. The overturning force is the sum of each destabilizing force times its moment arm.
倾覆指挡土墙倾倒，相对于挡土墙沿它的结构支撑点旋转，倾覆作用是各个不稳定因素与力臂乘积的总和。
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