Study, I first outlined the background of green trade barriers, causes, characteristics and manifestations, combined with theoretical research on green trade barriers have conducted in-depth analysis.

研究中，笔者首先概述了绿色贸易壁垒产生的背景、原因、特征和表现形式，并结合相关研究理论对绿色贸易壁垒进行了深入解析。

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First, this article will be in-depth analysis of these three.

从文章来说，本文首先将分别深入的分析这三者。

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The CWAP certification was first launched in 2004 to lackluster success, mainly because the industry was not ready for the depth of analysis and troubleshooting that was required to earn CWAP.

CWAP认证在2004年首次推出，由于当时业界对分析与排错的认识不够，那时的CWAP认证并没有获得预期的成功。

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