The algebraic analysis is the most extensive and the most certain of all the sciences; it is the only one which has a method invariable and infallible.
代数分析是所有科学中最广泛和最确定的;它是唯一具有不变和可靠方法的一门科学。
城市是一个活的有机体,不断演变。
煤炭企业的未来在于智能开采和清洁利用。
Life is too short to waste time hating anyone.
The mind is a system of interrelated processes.
I don't like defining myself. I just am.