| 释义 |
critical massBrE /ˌkrɪtɪkl ˈmæs/ NAmE /ˌkrɪtɪkl ˈmæs/ noun [U , sing. ](physics物理) the smallest amount of a substance that is needed for a nuclear chain reactionto take place （核链式反应的）临界质量the minimum amount of resources , number of customers , etc . needed to start or support a project or an activity , or the minimum size that a project or activity needs to be in order to be successful （启动或支持项目或活动所需的）最小资源量，最低人数；（项目或活动成功所需的）最小规模◆ The company needs one million customers to reach critical mass and start making a profit .公司需要 100 万客户才能达到临界规模并开始赢利。◆ TV via Internet could only be developed once a critical mass of households had broadband access .在足够多的家庭拥有宽带接入时，网络电视才能开发。 |