一些操作系统是在文件系统层面实现压缩的。
Some operating systems implement compression at the file system level.
我喜欢把偶然看作系统层面的东西，而运气则是在个体层面。
I like to think of randomness operating at a system level and luck at an individual level.
这些信息都是系统层面的：它统计的是数据库所有压缩表的压缩统计信息。
The information in these tables is system-wide: it summarizes the compression statistics across all compressed tables in your database.
应用推荐