renormalization-group method的用法和樣例：
例句
- The basic clue and the main steps of renormalization group method used for the description of critical phenomena is introduced.
摘要介紹了用重整化群方法描述臨界現象的基本思路和做法。 - The renormalization group is therefore like a microscope with a magnification that can be turned up or down to examine a process at finer or coarser detail.
因此重整化群就好像顯微鏡，其放大倍率可以調大或調小，以研究各種尺度下的物理過(guò)程。
