proliferation

The process by which an organism produces others of its kind; breeding, propagation, procreation, reproduction.

增殖

The act of increasing, rising, or proliferating; augmentation, amplification, enlargement, escalation, aggrandizement.

The act of increasing, rising, or proliferating; augmentation, amplification, enlargement, escalation, aggrandizement.

In particular, the spread (proliferating) of biochemical, nuclear and other weapons of mass destruction to countries not originally involved in developing them.

扩散

The result of building up; buildup, accretion.