系统通常只意识到当前的日期和时间，所以让计算机从当前日期中提取出出生日期来获得年龄值是一件微不足道的事。
The system is always aware of the current date and time, so it's a trivial thing for the computer to subtract a birth date from the current date to get an age value.
检查系统时钟；更重要的是，要检查编译树中文件的日期、系统中其他文件的日期以及系统的时钟。
Check your clock; more importantly, look at the dates of files in your build tree, and other files on your system, and your clock.
传统的基于数据的移植关注日期对象，在移植发生前与系统日期相比较。
The traditional date-based migration looks at the date objects, comparing to system date before a migration will take place.
DatesandTimes提供了大量的日期操作功能，包括计算两个日期之间的差，以及检索本地系统的当前日期和时间。
Dates and Times provides a broad spectrum of date manipulation functionality, including calculating the difference between two dates and retrieving the local system current date and time.
这是一个客户机应用程序，它通过建立与日期-时间服务器的连接，从一个指定的主系统中得到日期和时间，并报告结果。
This a client application, and it is through the establishment of a date-time server connectivity, from a designated the main system, which is the date and time, and report the results.
注意：如果日期中的年份被忽略函数回使用计算机系统日期的当前年份。
Note: If the year part of date is omitted this function will use the current year from the computer's system date.
如果你将系统的日期返回时钟计时程序将不能运行任何的计划任务直到时钟达到日期返回以前的时间为止。
If you roll back the system date, cron will not run any scheduled jobs until the clock reaches the date that the system had before the date roll-back.
在计划运行时，系统使用订单完成日期，假如直到通过系统计算出来的生产完成日期还没有完成，这种情况将导致物料库存。
As the system USES the order finish date in the planning run, this situation may lead to material shortages if production is not finished until the production finish date calculated by the system.
作为选择，期满日期存储在信息处理系统上，以便在期满日期之前的预定周期内提供期满警报。
Alternatively, an expiration date is stored on an information handling system to provide expiration warnings a predetermined time before the expiration date.
备份要依靠文件的日期。如果文件的日期与系统不同步，将会备份错误的版本。
If file dates are out of synchronization, the system may backup incorrect versions.
FSK来电信号自动刷新原有的系统日期时间，DTMF来电信号对原系统的时间，日期的设置无影响。
FSK caller signal automatically refresh existing system date and time, DTMF telephone signal to the original system, the time and date Settings had no effect.
最后，系统将不会自动调整交付日期。因此，估计的交货日期必须被你的采购组来维护。
Finally, the system currently will not adjust delivery dates automatically. Therefore, the estimated delivery dates must be maintained by your purchasing team.
最后，系统将不会自动调整交付日期。因此，估计的交货日期必须被你的采购组来维护。
Finally, the system currently will not adjust delivery dates automatically. Therefore, the estimated delivery dates must be maintained by your purchasing team.
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