为了在白天追踪时间，发明家发明了日晷，它通过太阳阴影的长度或方向来指示时间。
In order to track temporal hours during the day, inventors created sundials, which indicate time by the length or direction of the sun's shadow.
除了实际的数据外，DB 2需要维护强制的null指示符(1个字节)和长度信息(4个字节)。
In addition to the actual data, DB2 needs to maintain the mandatory null indicator (1 byte) and length information (4 bytes).
在 Windows NT 上，磁盘队列长度是 I/O 饱和程度的最好指示器，并且它应该小于数据 RAID 集中的磁盘数减去 1。
On Windows NT, the disk queue length is the best indicator of I/O saturation, and it should be less than the number of disks in the data RAID set minus one.
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