With comparative objects and comparative samples as its footholds, functional comparative law focuses on any law's functions and practicalefficiency.
功能比较法以比较对象和比较样本为基本概念，关注法律的功能及其实际效果。
2
The differences between efficiency of test and practicalefficiency and the aspects needed to be considered when testing filter for bio-protection are discussed at the end.
对检测效率和实用效率之间的差别以及检测生物防护用过滤器所应注意的问题进行了讨论。
3
Apart from its practical value, the report delivers an especially timely message. When money is tight, improving efficiency is a far better option than cutting services.