principal act主要行为
principaladj.主要的;首要的n.本金;资本;校长;主角;委托人;主犯
Principal Decision Authority主要决策权
Principal Naval Store Officer海军补给主任
principal axis transformation轴变换,主轴变换
principal components analysis主成分分析
Principal body for evaluation评估主体
Principal Developing Activity主要研制活动
principal coordinate analysis主坐标分析
principal development program校长培训