This option is only useful for a database level health snapshot since that’s the only level at which collection health indicators are defined.

这个选项只能用在数据库级的健康快照中，因为集合健康指示器只在这一级别上定义。

youdao

As noted above, junior high school was the only level of education that did not deliver increasing returns during the 1990s.

如上所述，在上世纪90年代期间，初中是唯一回报率没有提高的教育种类。

youdao

As noted above, junior high school was the only level of education that did not deliver increasing returns during the 1990s.

如上所述，在上世纪90年代期间，初中是唯一回报率没有提高的教育种类。

youdao