英语翻译一、How long to hold?The general question of how long to h

The general question of how long to hold subdivides into two questions:
一般情况下,“how long to hold”这个问题可以细分成两个问题：
1.How long is it mechanically possible for the object to hold?
1.一个物体可以机械性支撑多久的可能性.
2.How long is it necessary to hold to give the best dramatic effect?
2.有必要保持多久来给予最好的激动人心的作用
The first question applied to inanimate objects is simply a matter of whether the object is in stable equilibrium.……
第一个问题用于无生命的物体,是一个是否这个物体是在稳定平衡状态的简单问题