试行规范的英文

tentative specification

例句与用法

In this paper , the actuality on the appraisement of highway construction environment is investigated into deeply . the problems and theory which existent at present have be studied and annualized . on the bases of tryout standard guiding and investigating , the item that highway which bypass cheng - du city is studied and annualized
课题深入了解公路建设环境评价的现状，对现存问题进行研究分析，在评价试行规范的引导和调查监控的基础上，结合成都市外环过境线项目进行了研究分析。