那么单摆在振动过程中，切向力、法向力及合力的大小和方向是否在变化?。
Do the tangential force, the mormal force, the resultant force and their directions during oscillation of a simple pendulum change?
对调节性内斜视根据AC/A（调节性集合和调节的比率）比值、融合力的大小及戴全矫远视镜后出现的内斜度数来确定手术方法；
As for accommodative esotropia, the operation method was decided by AC/A, fusion faculty, and the angle of esotropia when wearing full-correction spectacles for hypermetropia;
应力峰值亦与牙合力平均值的大小成正相关关系。
So was the strongest stress and the average value of the occlusal force.
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