We're obligated to keep a pulse on the population for at least five years after the foxes are delisted.

在狐狸被除名后的至少五年时间里，我们有义务继续监测狐狸种群。

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Who keeps a pulse on market trends and competitors’ moves?

谁去掌握市场趋势和竞争对手的动向？

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The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line.

传输线线上脉波电流之频谱与分布及其各频率成份之辐射远近场型之差异。

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The fish will be stunned with an electric pulse, netted and re-homed on another section of the canal.

BBC: Fish removed from Bath canal for lock repairs

However, last week's column on the prospects of the Livescribe Pulse was actually the penultimate one on the subject of smart pens -- at least two alternatives have entered the market.

ENGADGET: Switched On: More options for getting from scribble to screen

Today, the best that can be said is that the extent and duration of future EMP-induced blackouts would depend on whether the emitter generates a small or large pulse, and whether it is detonated at ground-level or from high altitudes.

CENTERFORSECURITYPOLICY: The Blackout Next Time