So, the area elements are actually related by the absolute -10 value of this guy. OK, so if you find -10 as your 10*dxdy answer, then du dv is still ten times dx dy.

所以说，面积其实是跟这个东西的绝对值有关的,如果你们得到的答案是,那么dudv依旧是。

youdao

Utility function was introduced into security risk area, and its inverse function is used to define absolute loss effect and relative loss effect as measure of risk.

把效用函数引入信息安全风险领域，利用其反函数，定义绝对损失效应和相对损失效应，用以度量安全风险。

youdao

The prerequisite for cavitation is that there exists an area in which absolute pressure is lower than or equal to vaporization pressure.

流场中具有绝对压强小于或等于汽化压强的区域是射流空化的必要条件；

youdao

And we are talking about political cooperation of the two nations, out of which one is an absolute leader in the area of technology, and the other one, Poland, turned out to be one of the leaders in terms of deposits, resources.

WHITEHOUSE: President Obama and Prime Minister Tusk Press Conference

The company sees this as the area of "strongest absolute growth, " in terms of information technology spending by corporations, said Tom Yeates, Digital's business development manager for OpenVMS in Europe.

CNN: Compaq wants in on the Unix market

Sharma bowled an absolute beauty that pitched in the perfect area and moved away to square up Michael Clarke, taking his edge.

BBC: Aussies shackled by patient India