近年来这方面的研究开发主要是围绕结构 、 合成 、 表征和催化反应等方面开展的. This In essence offers us an item which can do what we would like, but how can we in fact place it on our course? Effectively, properties use decorators; why can't we? Let's have a look at how it would seem (from in this article https://justpaste.it/drwnu