尽管印度是第四大二氧化碳排放国，它却拒绝承诺限制自己的排放量，争论说按每个印度人的排放量计算，其排放仍不算多。
Though it is the fourth-biggest carbon-emitter, it refuses to promise to curb the growth of its emissions, arguing that these are still modest per Indian.
目前涡街流量计所采用的放大、滤波、整形、计数的处理方式，在从噪声中提取流量信号方面存在较大的局限性，只能采用限制量程比、不测小流量等方法来抑制噪声。
The traditional signal processing methods that amplify, filter, rectify signal and count, which are used in vortex flowmeter now, has shortage in extracting real flow signal from noise.
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