For really critical sections of your code, you might consider adding some functional tests as a safety net before you start refactoring.
对于代码中真正关键的部分,可能需要在进行重构之前添加一些功能测试作为一种安全保障。
2
These characteristics of cold typical wheat have a close relation to the metabolic function, which is more excellent in functional period of leaves, MDA content and net photosynthetic rate, etc.