在拉钩与托槽或带环上分别挂橡皮链或弹力线形成一组方向相反、力量相等的旋转力作用于扭转牙达到矫治。
Then tie power chain or elastic line on the hook and bracket (or band) to form two identical rotated strengths, but in opposite direction, to help correct torsiversion.
唯一能够解释机车运动的概念，是与所见到的运动相等力量的概念。
The only conception which can explain the movement of the steamer is the conception of a force equal to the movement that is seen.
上述的相等指出当离心的力量被考虑的时候，转抵抗的相等片刻被减少。
The above equation indicates that when the centrifugal force is taken into consideration, the equivalent moment of turning resistance is reduced.
上述的相等指出当离心的力量被考虑的时候，转抵抗的相等片刻被减少。
The above equation indicates that when the centrifugal force is taken into consideration, the equivalent moment of turning resistance is reduced.
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