At the same time, in order to validate the accuracy of evaluation index sign and model, author evaluates certain CNG station around traffic status in Chengdu city, and put forward improvement opinion.
同时，为验证评价指标与评价模型的正确性，对成都市某CNG加气站的周边交通状况进行了评价，提出了改善措施。
In order to facilitate the reader to view and retrieve the text before middle school, English directory, schedule book title and author name index index.
为便于读者查阅和检索，文前附中、英文目录，书后附表题索引和撰稿人名索引。
The author index has entries arranged in alphabetical order of author's surnames.
著者索引中有按著者姓氏字母顺序排列的著录。
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