How much of their fissile material capabilities are there? Some people say half. Some people say more.

那里的变材料生产能力有多少？一些人认为有一半。还有人认为比一半还要多。

Only the latter is fissile and therefore useful in the project.

只有后者是可变的， 因此对该项目有用。

Second, Russian fissile probably destroys more habitat than it creates.

，变材料破坏的栖息地可能多于创造的栖息地。

In addition, the deal calls on Iran to reduce the enrichment level of its existing nuclear, or fissile, material.

此外，该协议要求伊朗降低现有核材料或变材料的浓缩水平。

And she says to make the bomb, the Manhattan Project scientists needed to use something called fissile material.

她说，为了制造炸弹， 曼哈顿计划的科学家需要使用一种叫做变材料的东西。

The reactors use " tristructural isotropic particle fuel" , in which blobs of fissile uranium (along with oxygen and carbon) are wrapped in layers of carbon and silicon carbide.

反应堆使用了“三结构各向同性颗粒燃料”，可变铀（以及氧和碳）的斑点被包裹在碳和碳化硅层中。