minor revision、pre-review revision是什么意思?

问题描述:

minor revision、pre-review revision是什么意思?
原文如下:
Should Authors be requested by the Editor to revise the text,in case of a major revision,the revised version should be submitted within four months,in case of a minor revision,within two months,in case of a pre-review revision,within one month.After this period,the paper will be considered withdrawn.Any revision after this will be treated as a new submission and subject to a new review cycle.
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minor revision
小改动(小修改)
pre-review revision
审稿前的修改