在db4o系统中，打开第二个数据库逻辑连接非常简单，即使当数据库驻留在本地磁盘上时也是如此。
Within the db4o system, it is trivial to open a second logical connection to the database, even when the database resides on the local disk.
在清单3中只修改了ext3文件系统，因为noatime只对驻留在磁盘上的文件系统有帮助。
Only the ext3 file systems have been modified in Listing 3 because noatime is helpful only for file systems that reside on a disk.
在清单3中只修改了ext3文件系统，因为noatime只对驻留在磁盘上的文件系统有帮助。
Only the ext3 file systems have been modified in Listing 3 because noatime is helpful only for file systems that reside on a disk.
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