"We do have a list of priorities," Ma says.
“我们确实有个优先次序列表”,马毅说。
Stone: Ma says so, Pa says so and you say so!
小石:妈妈这么说,爸爸这么说,你也这么说!
“This,” Ma says, “has opened up all kinds of new opportunities.”
“这开拓了各种各样的新的机遇与可能”,马毅说道。
Newton says F = ma, so to make it a useful result of this problem, we know the mass of this guy.
牛顿指出 F = ma,这对于解决这个问题很有用,我们知道这个物体的质量
The free-body diagram, it says you can pick any one body that you like and apply F = ma to it, provided you identify all the forces acting on that body.
所谓隔离法,就是说你可以任意 选取一个物体,分析出它所受的所有力后,单独对其运用 F = ma 进行计算
One equation says F = ma.
一个方程是 F = ma
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