“正的”的英语可以翻译为：plus，[医] normal，ortho-，positive ...

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...