critical mass

critical mass读音音标

英 [ˈkritikəl mæs]

美 [ˈkrɪtɪkəl mæs]

critical mass意思解释

释义

临界物质；

英英释义

n.

the minimum amount (of something) required to start or maintain a venture

the minimum mass of fissionable material that can sustain a chain reaction

双语例句

用作名词(n.)Quite simply, the atria are transected and resutured to reduce the critical mass required for the maintenance of AF.手术操作非常简单，心房被切开再缝合来减少维持房颤所需的临界物质。