第5章 实数域ℝ上的Fourier变换
The theory of Fourier series and integrals has always
had major difficulties and necessitated a large math-
ematical apparatus in dealing with questions of con-
vergence. It engendered the development of methods
of summa…
2021年12月入手一台Moto Edge S Pro 12256版,看着性价比很高,越用越垃圾。屏幕显示没有vivo亮丽/APP图标很丑/屏幕上一点点水就失灵/拍照片边缘是模糊的/系统几乎不更新。
以上都可以忍受,但是:
用一年不到,蓝牙不能…