n. hertz
misc. periods per second ; cycle per second
对于低频率电流(约15,000 周秒以内),置有一个叫作磁路的铁心。
For low-frequency currents(up to about 15, 000 cycles per second)an iron core, called a magnetic circuit; is placed.
过去两周,弗朗索瓦已经播出一段30秒的菲亚特广告,画面上洛佩兹穿着露脐短衬衫和褶皱超短裤又唱又跳,还驾驶菲亚特500在城市里自由穿梭。
For the past two weeks, Francois has aired a 30-second Fiat commercial showing a singing and dancing J.Lo plugging the 500 while fetchingly attired in a midriff-bearing blouse and pleated tap shorts.
SOA为不同阶段(秒、日、周或年)控制每个流程实例(工作条目),并需要各种资源来完成。
The SOA controls each process instance (work item) for a different period (seconds, days, weeks, or years) and has varying resource requirements to complete.
John Landy Six weeks later, John Landy, the Australian runner, runs the mile in 3 minutes 57.9 seconds.
六周后,澳大利亚跑手,一英里跑了三分57。9秒。
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