系统辨识的挑战不仅在于拟合数据,还在于提取有意义且可推广的模型。
Coal mining built modern Britain, and we must respect that heritage even as we transition to cleaner energy sources.
The truth will set you free, but first it will piss you off.
再说,义就是匡正的意思,不能以下正上,必须是以上正下。