rectification

名词 rectification:

1. (chemistry) the process of refinement or purification of a substance by distillation
2. the conversion of alternating current to direct current
3. the act of offering an improvement to replace a mistake; setting right
   同义词：correction
4. determination of the length of a curve; finding a straight line equal in length to a given curve

1. Rectification means the whole Party studying Marxism through criticism and self-criticism.
   整风就是全党通过批评和自我批评来学习马克思主义。