This is the moment of inertia.
这是转动惯量。
So we know the moment of inertia.
我们得到转动惯量。
What is the moment of inertia of that?
它的转动惯量是多少呢？
You can calculate the moment of inertia.
可以计算其转动惯量。
Well, the moment of inertia is a boring job.
计算转动惯量，是一个枯燥的活。
You get a totally different moment of inertia.
你会得到完全不同的转动惯量。
Almost all moment of inertia is in this system.
几乎所有这个系统中的转动惯量。
But least moment of inertia in transverse direction.
但最少转动惯量在横向方向。
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。
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。
For the disk, all we have to do now is calculate the moment of inertia.
对圆盘，我们只需要，算出转动惯量。
Well, we will try to compute now the moment of inertia about this point.
我们要去计算关于这个点的转动惯量。
Thus this can reduce tilt's moment of inertia and increase the platform's agility.
左右旋转电机固定在底座上，减少了俯仰转动惯量，提高了平台的灵活性。
Thus this can reduce tilt's moment of inertia and increase the platform's agility.
左右旋转电机固定在底座上，减少了俯仰转动惯量，提高了平台的灵活性。
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