Chinese government is poised to conduct its first national survey of pollution sources in February to help control environmental deterioration in the country.

中国政府准备在2月份进行首次全国污染源调查，以帮助控制环境恶化。

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The survey showed that one of the most major factors of environmental pollution is the production and operation activities.

调查表明，企业的生产经营活动是导致环境污染的最为主要的因素之一。

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Using the empirical method, according to the survey datum of 181 producer of non-environmental pollution vegetable in nanjing, the authors study the using pesticide behavior of the producers.

利用实证研究的方法，以南京市181个无公害蔬菜生产者的调查数据为依据，对生产者农药使用行为进行了计量经济分析。

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In 2006, the country's Ministry for Environmental Protection launched a nationwide soil-pollution survey, which was to have been concluded in 2010.

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