We can use that to get information about maybe the region or about the average value of a function in that region and so on.
二重积分可以用来得到关于这个区域的某些信息，或者这个区域上的一个函数的平均值，等等。
When I'm at a party or any kind of function, I sort of forget that I can leave, and forget to think about when I should leave.
当我在派对上时或任何一种场合，我忘记是否可以离开，忘记什么时间应该离开。
Cover it or put it in total darkness and it ceases to function.
盖住它或者把它放到完全的黑暗中它都将停止作用。
Design function or performance auto test scripts and offer solutions to relevant test techniques;
设计功能或性能自动化测试脚本并提供相关测试技术的解决方案；
Design function or performance auto test scripts and offer solutions to relevant test techniques;
设计功能或性能自动化测试脚本并提供相关测试技术的解决方案；
应用推荐