shutdown reactivity是什么意思

用法例句

In this article it is discussed the nuclear safety requirements and the basis of the requirements,and the background of making these nuclear safety requirements from the point of view of CANDU planned outage nuclear safety management.

主要是从CANDU堆停堆大修期间的核安全管理方面论述CANDU大修期间的核安全要求及依据以及制定这些核安全要求的背景。