- 追溯: retrospect; review; run; tra ...
- 调查: investigate; examine; inquir ...
- 追溯调整: retroactive adjustment
- 追溯: retrospect; review; run; trace back to; date from 这份手稿可追溯到8世纪。 this manuscript dates back to the 8th century. 我们两国之间的友好往来可以追溯到上个世纪。 the friendly intercourse between our two countries can be traced back to last century
- 回顾性研究,追溯性研究,回顾性调查: retrospective study
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