机动车排放标准的雾霾治理效果研究——基于断点回归设计的分析

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1001-8409|31|11|93-97

ISSN: 1001-8409

Source: 软科学, Vol.31, Iss.11, 2017-01, pp. : 93-97

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Abstract