Of all human-induced methane emissions, the livestock sector is by far the largest source, producing over 37% of emissions.

在所有人类活动引起的甲烷排放中，畜牧业是迄今最大来源地，排放量超过37%。

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These will put you well on your way to producing a blog that many readers consider their most reliable and valuable source of information on topics you cover.

这些原则将带你走上正轨，让你可以做出一个在你所覆盖的专题领域里被众多读者视为最为可靠、最有价值的信息来源。

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You'll need a system with the capability of processing sound input, preferably from an integrated microphone, although any sound source capable of producing discrete tonal events will suffice.

需要一个能够处理声音输入的系统，虽然能够生成离散音调事件的任何声源都可以满足要求，但最好还是选用功能齐全的麦克风。

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Albany needs to pass the solar jobs bill to help kick-start this job-producing energy source.

FORBES: Actor Mark Ruffalo Pushes New York Solar Jobs Bill

The project is producing open source Collaboration and Learning Environment (CLE) software with the first release in July 2004.

UNESCO: Free and Open Source Software for E-learning

Nevertheless, many environmentalists fiercely resist any moves to ease arbitrary, prohibitive barriers to the construction of the best non-carbon-dioxide-producing energy source of all: nuclear power plants.

FORBES: Fact and Comment