今天在进行实验数据处理时使用到了numpy.power()函数，一直导致结果和结论对不上，中间处理过http://www.devze.com程比较多，很难发现是因为计算数值出错的js原因，最后发现是numpy运算过程中数值太大导致的溢出错误
Usually I would use :hover, but I want my website to be accessible on touchscreen media too. I know I can use :active, but as soon as I let go of the mouse button, it goes back to its inactive state.
加载中,请稍侯......