1·This is the moment of inertia.
这是转动惯量。
2·So we know the moment of inertia.
我们得到转动惯量。
3·What is the moment of inertia of that?
它的转动惯量是多少呢？
4·You can calculate the moment of inertia.
可以计算其转动惯量。
5·Well, the moment of inertia is a boring job.
计算转动惯量，是一个枯燥的活。
6·You get a totally different moment of inertia.
你会得到完全不同的转动惯量。
7·Almost all moment of inertia is in this system.
几乎所有这个系统中的转动惯量。
8·But least moment of inertia in transverse direction.
但最少转动惯量在横向方向。
9·We got three times the moment of inertia about the center.
也就是，关于中心处转动惯量的3倍。
10·All I have to know now is what is the moment of inertia about P.
我现在只需要知道，点p的转动惯量是多少。