principallyadv.主要地
principaladj.主要的;首要的n.本金;资本;校长;主角;委托人;主犯
principal stress space主应力空间
principal automorphism主自同构
principal-components主成份分析
principal stress ratio主应力比,枝力比
principal-agent risk委托代理风险
principal stress plane主应力面
principal test section主测试段
principal normal vector吱线向量
principal factor method主因子法,主因素法
principally private law私法主导