如果每点处取负的向量的话，就会得到负的散度了。
If you took the opposite vector field that contracts everything to the origin that will have negative divergence.
如果你要取负值，你会找到不同的，相角，但是你不能取负。
If you would have picked the minus, you would have found a different phase Angle, but you can't pick minus.
看哪城离被杀的人最近，那城的长老就要从牛群中取一只未曾耕地，未曾负轭的母牛犊。
Then the elders of the town nearest the body shall take a heifer that has never been worked and has never worn a yoke.
比如取t 4和，我这样连线，那角度就是负的，因此，t4和t5之间的平均速度5，为负。
T5 For instance, between t4 and t5, if I draw this line then this Angle here is negative 5 and so the average velocity between t4 and t5 is now negative.
它们很容易一开始就转化成负的，或者我们将取改变那儿工作方式。
This thing better start turning negative soon or we are going to change the way the world works here.
公司在研发及生产最优质汽车阀门领域中享负盛名，可以非常肯定地目前市场上未有更好阀门产品可以取替。
With the reputation for innovating and manufacturing the best automotive valves in the world, you can be certain that there is currently no better replacement valve available.
公司在研发及生产最优质汽车阀门领域中享负盛名，可以非常肯定地目前市场上未有更好阀门产品可以取替。
With the reputation for innovating and manufacturing the best automotive valves in the world, you can be certain that there is currently no better replacement valve available.
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