搜尋結果
critical mass
- IPA[ˌkrɪtɪkl ˈmas]
英式
- the minimum amount of fissile material needed to maintain a nuclear chain reaction.;the minimum size or amount of resources required to start or maintain a venture
noun: critical mass, plural noun: critical masses
- 釋義
名詞
- 1. the minimum amount of fissile material needed to maintain a nuclear chain reaction.
- 2. the minimum size or amount of resources required to start or maintain a venture some of our new industries are now reaching critical mass