instance of legislation造句

In this paper , the foreign legislation experience of space right is investigated widely , and at the same time , three basic instances of legislation are put forward , that is , civil law pattern , space law pattern and law package pattern , each one of which has the respective merits
在我国现阶段，研究并借鉴国外空间权立法模式，是我国空间权立法构建的必由之路。本文广泛考察了国外立法实践，给出了空间权的三种基本立法模式，即民法模式、空间法模式和法律包裹模式，三者各有所长。
It's difficult to find instance of legislation in a sentence. 用instance of legislation造句挺难的