RETAIN means that the logging is no longer circular but archival, and therefore you need to have an initial backup before you continue.
RETAIN意味着日志记录不再是循环的，而是归档的，因此需要在继续设置之前进行一次初始备份。
Shoe-box size archival boxes are a useful, inexpensive, space-efficient way to save photos that aren’t important enough to put in an album, but are good enough to keep.
鞋盒子大小的档案盒很有用，不仅便宜，而且有效的节省空间，使那些不太重要的照片也能得到很好的存放和保管。
The Internet Archive is doing this to some extent, but I’m not sure it’s the kind of rigourous archival that scholars crave, useful as it is.
在某种程度上网络存档正在做这个，虽然它有用，但是我不知道这是不是学者们渴望的那种严格的存档。
Archival science does not define "a record", but "records", because it only deals with aggregations.
档案学并不定义“一份文件”，而是“文件群”，因为它只与整体有关。
Archival research showed Quaoar had been captured on film as long ago as 1982, but was never noticed, Brown said.
在调查档案中发现早在1982年Quaoar就已经被胶片拍摄到过，但是从来没有被注意到，布朗说。
Archival research showed Quaoar had been captured on film as long ago as 1982, but was never noticed, Brown said.
在调查档案中发现早在1982年Quaoar就已经被胶片拍摄到过，但是从来没有被注意到，布朗说。
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