帮忙分析一下这句话的语法结构

问题描述:

帮忙分析一下这句话的语法结构
If the universe had natural laws that governed its behavior to the same degree of regularity that determines a crystal of salt,then,of course,the universe would be knowable.

If the universe had natural laws,the universe would be knowable.
laws that governed its behavior to the same degree of regularity
regularity that determines a crystal of salt?没看懂。第一行是主干,if引导的条件状语从句第二行是修饰 LAWS第三行是修饰regularity.