Phone calls cost 20c per unit off-peak.

非高峰时间电话费每单位两角。

《牛津词典》

The base unit of measure for determining our expected load was "page views per second," which measures how many pages the portal server can serve for each second during peak load.

确定我们理想负载量的基本测量单位是“页面查看量/秒”，它测量在峰值负载时门户服务器每秒可以处理多少页面。

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However they are extremely useful if there is an unexpected peak in activity which results in all of the primary extents being filled (due to a long running unit of work for example).

不过，如果活动中出现了非预期的峰值而导致主扩展被用完(例如，由于出现了长时间运行的工作单元)，这就极为有用了。

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More money has been raised by so-called private investments in public entities (or PIPEs) so far this year than anytime since their 2000 peak, according to Placement Tracker, a unit of Sagient Research Systems.

FORBES: Piped Aboard

Prof Ajit Lalvani, director of the Tuberculosis Research Unit at Imperial College London said there is a spring peak in rates of tuberculosis which have been attributed to low levels of vitamin D.

BBC: 'Wrong' immune response aids TB