The other would end the production of fissile materials for bombs.

另一个条约则将终止武器级裂变材料生产。

youdao

Only three fissile materials are known at present, there being U-233, U-235, and plutonium.

目前已知有三种裂变材料，它们是铀233，铀235，以及钚。

youdao

The few fissile materials could not maintain the chain type response (overwhelming majority neutron escape).

少量的裂变材料不能维持链式反应(绝大多数中子逃逸了)。

youdao

Critically, the second phase would depend on universal acceptance of a comprehensive verification and enforcement system accompanied by tighter controls on fissile materials produced by civil-nuclear programmes.

ECONOMIST: Banning the bomb will be hard, but not impossible

And, while we do that, we will also continue our efforts to negotiate a ban on the production of fissile materials that can be used in nuclear weapons.

WHITEHOUSE: VP Biden: The Path to Nuclear Security

Iran has no current means of weaponizing its fissile materials.

FORBES: VP Debate Spirited and Revealing: Biden Applies Tourniquet