That needs power, as well as frequent changes of the filter element as the pores fill up with bugs.

这个过程需要动力，也需要经常的更换滤芯，否则这些微孔就会被杂质堵塞。

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That needs power, as well as frequent changes of the filter element as the pores fill up with bugs.

这需要消耗电力，而且由于微孔上积满了细菌，滤水器元件也需经常更换。

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Many see that the country is getting ready to build lots of new power plants to meet our energy needs.

许多人发现了国家正准备建造更多新的发电厂来满足我们的能源需求。

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By 2013,Lithuania wants to have a new natural-gas power plant, but experts caution that this will not be enough to meet the country's energy needs.

VOA: standard.2010.01.01

But the point that he admits is all, in a sense, that Socrates needs; justice is not power alone, justice requires knowledge.

但他所承认的观点，就某种意义来说，即是苏格拉底想听到的;,正义并非仅是权力，正义需要知识。

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Does that sound like an agency that needs more power?

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For every additional item that needs electrical power, added battery capacity is needed, and both of those result in added thermal loading, which requires a more robust thermal control system.

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It's been one of those issues that conservatives rally around saying that it gives the president the power that he needs to cut spending.

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