The notorious smog that blights Beijing improved sharply in the first quarter this year as measures to curb pollution took effect, according to Chinese data collated by environmental group Greenpeace.
根据环保组织绿色和平(Greenpeace)整理的manbetx3.0 数据，随着整治污染的各项措施收到效果，笼罩北京的出名的雾霾在今年第一季度大幅好转。
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