In fact, there are dozens of YouTube videos that I click on, don't like them and then close the window (I see other people writing negative comments in poor English but I doubt that helps either).
事实上,有几十个YouTube视频,我按一下,不喜欢他们,然后关闭该窗口(我看到其他人用蹩脚的英语写的的那些负面评论,非常怀疑这些对于别人会有帮助)。
One tweak would be to shift the start of the seven-day window for filling a prescription filled to the day of the negative pregnancy test.
一个好办法就是把从开处方的七天内开始改为直到妊娠测试阴性。
For rectangular window FFT interpolation algorithm, the negative frequency components of harmonic components have a greater impact on the fundamental calculation error.
采用加矩形窗fft插值算法,谐波的负频分量对谐波计算的误差影响较大。
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