The lateral distribution of injected charges can be measured precisely using the charge pumping method.

利用电荷泵方法可以有效而准确地测量出注入电荷沿沟道方向的分布。

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End pumping is a simple pumping method in double clad fiber laser.

端面抽运是双包层光纤激光器的一种常见的抽运方式。

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Selection of pumping method is of importance in raising the performances of fiber lasers.

选择适当的抽运方式对提高光纤激光器的性能指标具有比较重要的意义。

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It extracts oil from the ground using a method called fracking - pumping down a mixture of sand, water and chemicals at high pressure.

BBC: US to become 'world's biggest oil producer'

Other ideas include drilling into the aquifer beneath the city and pumping cool water along the tunnels (a method already used to cool the Royal Festival Hall), or installing chillers in the trains that would freeze blocks of ice while the trains were above ground which would then keep them frosty on the underground sections.

ECONOMIST: London Underground