Objective:To offer information on the supervision by analysing the change of origin of false and inferior species from Chinese medicinal materials (CMM) markets.
目的:分析研究中药材市场假劣品来源分布变化,为加强监管提供信息。
How will it change our view of the origin of birds?
它将怎样改变我们对鸟类始祖的看法呢?
So anyway, this is the origin, and then the last side, y equals zero, x So, somehow, in the change of variables, this square becomes this triangle.
变成另一个点,无论如何,这就是原点,最后一条边,y=0,一直变化,最终变成了v=0,and,x,varies,just,becomes,v,equals,zero。,所以,在变量替换的过程中,这个正方形变成了三角形。
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