...作业转换时间；标准作业；设备布置 [gap=792]Key words ： improving production management; production process; operation changing time; standard operation; equipment arrangement ..
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通过对钻孔加工族的时间研究，初步建立不同工步单件加工时间的标准资料，并探讨节省作业转换时间的方法。
By studying some boring machining families, standard time datum for unit operation was set up. Some methods of shortening operation changing time were also presented.
但是，不应该将每小时执行一次的 Cron 作业转换为 Anacron 形式；对于间隔时间短于一天的作业，Anacron 并不适合替代 Cron。
You should not, however, convert your hourly Cron jobs to Anacron format; Anacron isn't a suitable replacement for Cron for shorter-than-daily tasks.
我使用转换策略，以避免你用太长的时间批改我的作业，一直到我已经毕业、工作，并和你女儿结婚。
I used diversion tactics and avoided you to put off handing in the homework for so long that I've finished school, got a job, and married your daughter.
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