秒和毫秒

This unit of measure reports intervals as the number of days, hours, minutes, seconds, and fractional seconds between two events.

这个测量单位以天、小时、分钟、秒和毫秒报告两个事件之间的时间间隔。

The libevent timer USES the timeval structure, which allows timers to be specified in both seconds and microseconds.

libevent计时器使用timeval结构，允许按秒和毫秒指定计时器。

Structure using the supplied parameters to initialize the year, month, day, hour, minute, second, and millisecond of the new structure.

通过使用所提供的参数初始化新结构的年、月、日、小时、分钟、秒和毫秒，来初始化。

Structure to the specified year, month, day, hour, minute, second, and millisecond.

结构的新实例初始化为指定的年、月、日、小时、分钟、秒和毫秒。

Because smalldatetime is accurate only to the minute, when a smalldatetime value is used, seconds and milliseconds are always 0.

由于smalldatetime只精确到分钟，因此当使用smalldatetime值时，秒和毫秒始终为0。