fast fission cross-section 快速中子裂变截面
fast fission cross section 快中子裂变截面
thermal fission cross section 热中子裂变截面
microscopic fission cross section 微观裂变截面
And then of course as part of the absorption we have a fission cross section which, as I said earlier, is what we want to focus on so we can make some power and some heat.
当然作为吸收的一部分，我们有裂变横截面，那是，我之前说的，是我们想要关注的，所以我们可以创造，出一些动力和一些热量。
We call that a cross section which is the microscopic cross section which as we mentioned before could be absorption, capture, fission, scatter.
我们称为一个横截面,那是宏观横截面,那我们之间提过的，可能是吸收，捕获，裂变，散射。
We can then look at uranium 238 which has a relatively low absorption thermal energy range and essentially has no fission cross section which is why we call uranium 238 a fertile atom.
我们能看看铀238，它有一个，相对低的吸收热能范围，基本上没有裂变横截面，那就是为什么我们称铀238为可转换核素。
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