第三阶段是推广阶段，是以与教科书有关的所有人为评价主体的评价阶段。
The third stage is the promotion phase. People who related to the textbook are the major body of evaluation.
公司为主体的推广模式在推广面积和推广时间上有优势，表明公司为主体的推广模式较适宜杂交酸模的推广。
Company has advantage for main extension pattern on extending area and extending time. It shows that the extension pattern of company popularizes for main is more suitable extending of hybrid rumex.
摘要：当前低碳建筑的市场推广速度比较缓慢，涉及到的核心主体是消费者和开发商。
Abstract:Currently, low-carbon building market develops slowly and it relates to consumer and developer who are the core subjects.
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