The indentured servants? Work conditions and duration of service also depended on location.

契约仆役的工作条件与服役期限也依地区而不同。

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The duration of the service can be one hour or more, so you can use it to generate notices while you are in a meeting.

该服务的持续时间可以是一个小时或更长时间，因此您可以在开会时使用该服务来生成通知。

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If the maximum duration of the cleanup service is specified too low, jobs at the end of the list might not be executed at all.

如果为清理服务指定的最大持续时间太低，那么列表末尾的作业可能根本不会执行。

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Today the typical duration of director service is 6.8 years, according to the 2010 NACD Public Company Governance Survey.

FORBES: Pay Hikes for Directors Should Trigger Clear, Confident Communications

And we must faithfully execute that pledge during the duration of our service.

BBC: Obama inauguration: Full text

We cannot be certain that the man was Talib Hussain but I questioned him about his name, age, ethnicity, home village and the duration of his military service.

BBC: Afghan 'killer' of UK troops tells BBC he acted alone