成功辨识的关键是找到一个足够灵活的模型结构,以捕捉系统的基本特征,同时又足够简单,可以从现有数据中估计出来。
I'm not a creature of your government or your world. I'm not a creature at all. I am art.
If you fulfill your obligations everyday you don't need to worry about the future.