本发明公开了一种采用瓦秒法检测谐波条件下电能表误差的装置及检测方法。

The invention discloses a device for detecting an electric energy meter error under a harmonic condition by adopting a watt-second method, and a detecting method.

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第1个完成的女性是挪威的格雷特·瓦伊茨，用时2小时29分30秒。

The first woman to finish was Grete Waitz of Norway, with a time of 2 hrs, 29 min., 30 sec.

《柯林斯英汉双解大词典》

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.

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