The development team estimated ten defects per week during the two weeks after a new release was deployed, and three defects per week otherwise, with four hours for analysis.

开发团队估计在部署新版本之后的两周内，每周会出现10个缺陷，如果进行过4小时的分析，则每周出现3个缺陷。

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There is even an army of 'extreme sofalisers' - the three per cent who spend a staggering 25 hours or more each week talking to friends via electronic devices.

甚至，还有一大批“超级宅人”——3%的被调查者每周通过电子设备同朋友聊天的时间居然多达25小时及以上。

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We have organized the classes to run three hours per evening, five evenings a week for a 16-week semester.

我们每天晚上有组织班级进行三个小时的培训，一周五次，一个学期上16周。

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Although the amount of time Americans whittle away online is rising (up three hours per week in 2011), social media usage has dipped for the first time, down 10 percent in 2012 from 2011, with Generation X and baby boomers leading the decrease, the report says.

FORBES: Sorry, Kim Kardashian, Wal-Mart is More Popular Among the Facebook, Twitter Crowd

They put in five or six fewer weeks per year, and three fewer hours per working week.

ECONOMIST: Economics focus

However, one drawback to life in Shetland is that residents have on average three hours less sunshine per week compared to Scotland as a whole.

BBC: Shetland tops 'Bank of Scotland Quality of Life' list