现在，在波尔兹曼方程方程里，我们要追踪中子，所以我们需要，能将流量拿出并除以速率。

Now in the Boltzmann Equation we wanna track neutrons so we need to take the flux and divide it by the velocity.

youdao

我们已经使用了一个相对简单的词语，称为，中子的增殖系数，那就是K，如果K等于1，中子数，是稳定的，裂变速率也一样。

And we've used a relatively simplistic term called neutron Multiplication Factor which is the K that if the K equals one the neutron population is steady as is the fission rate.

youdao

中子星的速率,得到轨道的半径，得到周期的大小，如之前讨论过的那样，现在取一个光学的。

That means you can get the speed of the neutron star, you can get the radius of the orbit, and you can get the period, just like we discussed before.

youdao

中子星的速率,得到轨道的半径，得到周期的大小，如之前讨论过的那样，现在取一个光学的。

That means you can get the speed of the neutron star, you can get the radius of the orbit, and you can get the period, just like we discussed before.

youdao