如果倾斜方向相反的话, 它就是正的了.If the dip were in the opposite direction, it would be positive.每个相角不论是正的还是负的, 都是相对于水平轴来说的.Each phase angle, whether positive or negative, is referenced to the horizontal.方差的正的平方根叫做标准差.The positive squ...
雇主说他缺乏进取心和干劲.His employer had described him as lacking in initiative and drive.他 虽然 聪明,但不会成功,因为他缺乏进取心.He's clever but won't succeed because he lacks drive.她很有进取心.She has plenty of push....