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 series line主系线
principal of prudence谨慎性原则
principal focal point主焦点
principal fuel supply主要燃料供给
principal translation主平移
principal determinant主行列式
principal point angle主点角
principal square root主平方根
Principal of evidence举证责任
principal outstanding未偿本金