1. 松弛法：relative clause 关系子句 | relaxation method 松弛法 | relevance 相关性

2. 弛豫法：relaxation frequency 弛豫频率 | relaxation method 弛豫法 | relaxation model 弛豫模型

3. 迭弛法：relativity 相关性相对性相对论 | relaxation method 迭弛法 | relaxation method 松弛法

4. 张弛法,松弛法,逐次近似法：relaxation mechanism == 松弛机理 | relaxation method == 张弛法,松弛法,逐次近似法 | relaxation methods == 张弛法

noun

1. a method of solving simultaneous equations by guessing a solution and then reducing the errors that result by successive approximations until all the errors are less than some specified amount

Synonym: relaxation