我们在上节课讲了推力和拉力，可产生加速度。
Last time we discussed that an acceleration is caused by a push or by a pull.
原本是圆周运动，突然间，推力和拉力都没有了，这就会呈螺旋状运动，显然，这是不对的。
You go around in a circle, and all of a sudden you no longer have the pull or the push and you go around in a spiral and obviously, that is not the case.
文章认为，雇员离职是社会环境积极因素形成的拉力和组织中的消极因素形成的推力，共同作用于雇员的结果。
It is the result of both the pulling force from positive factors in society environment and the thrust from negative factors in the organization.
决定阀门操作的力主要有三种：推力，扭矩和边缘拉力。
The three major forces involved in valve actuation are thrust, torque and rimpull.
涵义矩阵（implication matrix）和等级价值图形（hierarchical valuemap）显示，共有8个拉力动机因素和17个推力动机因素。
The results of implication matrices and hierarchical value maps indicated the existence of 8 pull motivational factors and 17 push motivational factors.
涵义矩阵（implication matrix）和等级价值图形（hierarchical valuemap）显示，共有8个拉力动机因素和17个推力动机因素。
The results of implication matrices and hierarchical value maps indicated the existence of 8 pull motivational factors and 17 push motivational factors.
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