美国计划消减温室气体排放到2020年总量比2005年水平降低17%，这个消减量确实仅仅等同于世界其余地区在1990年所采取基准线的6%。

The proposal to cut us emissions in 2020 by 17% on 2005 levels, it is true, amounts to a mere 6% on the 1990 baseline used by the rest of the world.

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用于添加多达4个水平坐标尺寸。将一个端点连接到基准线，一个端点连接到第一个部件。

Use to add up to 4 horizontal ordinate dimensions. Attach one endpoint to baseline and one to first feature.

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这些是世界银行给出的判定标准：如果一个人的收入低于一个基准线，那他就可以算作贫困，基准线根据购买水平而变化。

These World Bank measures judge a person to be poor if his income falls short of a given level, adjusted for differences in purchasing power.

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