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。

youdao

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。

youdao

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。

youdao

The museum not only has a display area open to the public, but also has an archival collection of more than one million specimens taking up three floors.

VOA: standard.2009.12.08

Instead, the conditions present in the Diaspora Pathways Archival Access Project lined up and led him to create a quirky but effective robotic scanner that would allow small institutions to scan large collections of fragile documents on the cheap.

FORBES: The Problem: A Startup's Most Important Asset

Archival records show that the Hospital began to face population problems, as inpatients grew older but had no alternative place to go.

UNESCO: UK National Commission for UNESCO - A relic to a forgotten era: over a century of material documenting the medically incarcerated linked with Wellcome Trust in new project

They need to travel to interview people all over the country, pay for archival footage, add sound, music and graphics, and complete a thousand other small but costly tasks.

FORBES: The Dungeons & Dragons Documentary Needs Your Help