He is aware of the importance of 'classifying according to nature,' and will try to 'separate the limbs of science without breaking them' (PhaeDr.). 柏拉图.理想国.
This innate modesty, however, does not prevent Edison from recognizing and classifying his own methods of investigation. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
On the contrary, I answered, it was only last night that I was looking over my old notes, and classifying some of our past results. 阿瑟·柯南·道尔.福尔摩斯回忆录.
Nearly the same rules are followed as in classifying species. 查尔斯·达尔文.物种起源.
The rules for classifying will no doubt become simpler when we have a definite object in view. 查尔斯·达尔文.物种起源.