Decay rates of the radioactive fallout are the same for any size nuclear device.

核辐射尘降物的衰减率不应核装置的大小而改变。

youdao

These "small modular reactors" produce 100 to 200 megawatts of power, about one fifth to one-tenth the size of many current U.S. nuclear reactors.

这些“小型模块化反应堆”能生产 100～200 兆瓦的电力，大约是目前美国许多核反应堆产能的五分之一，但体积只有十分之一。

youdao

These "small modular reactors" produce 100 to 200 megawatts of power, about one fifth to one-tenth the size of many current U. s. nuclear reactors.

这些“小型模块化反应堆”能生产100 ~ 200兆瓦的电力，大约是目前美国许多核反应堆产能的五分之一，但体积只有十分之一。

youdao

Since 1981 we've been committed to seeking fair and verifiable arms agreements that would lower the risk of war and reduce the size of nuclear arsenals.

CNN: State of the Union Address

Cutting the size of the nuclear arsenal to a small fraction of its Cold War size and focusing on terrorists rather than state-based threats may seem sensible in the present environment, but the decisions the administration is making will have consequences for decades after it leaves office.

FORBES: Nuclear Weapons: How Few Is Too Few?

Defense officials and nuclear policy experts said the Pentagon supported the White House's desire to cut as much as a third to the size of the nuclear stockpile.

WSJ: Korean Blast Fans Nuclear Concerns