Ultimately, the only unit of time that really matters is the second.

到最后，真正起决定作用的时间单位就是秒了。

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Period The unit of time into which a customer relationship is divided for analysis.

划分客户关系用以分析的时间单位。

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To decrease the number of head lice episodes per unit of time, control measures should include the treatment of all household contacts.

为了减少每个时间单位内出现头虱症患者的数量，应采取包括治疗所有家庭接触者在内的控制措施。

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Time magazine, like CNN, is a unit of Time Warner.

CNN: Time names Bernanke Person of the Year

By contrast, Joseph Ripp , vice chairman of the American Online unit of AOL Time Warner (nyse: AOL - news - people ), warned of dire consequences should the moratorium expire.

FORBES: AOL: 1; States: 0

As you shed your other non-entrepreneurial responsibilities (like class), each individual unit of your time becomes more valuable.

FORBES: What Really Happens When You Drop Out Of School To Start Up: 4 Lessons