阶段比例 meaning in English

phase proportioning

Standard test method for determination of the proportion of phases in portland cement and portland - cement clinker using x - ray powder diffraction analysis
用x射线粉末衍射分析测定硅酸盐水泥和硅酸盐水泥熔渣的阶段比例的标准试验方法
From the result of analysis , we can see the advantages of the textbooks : universal culture is the main proportion in the one grade and two grade of the primary education , which suits to the society development and the need of student ' s mental . the number of the texts which reflect rural culture , and foreign culture and the chinese nation spirit has increased
从分析结果看来，现行的语文教材有以下优点：一般文化类型的课文在小学低年级阶段比例较大，适合社会发展及儿童心理的需要；乡村文化较以往有较多反映；优秀的外来文化方面的课文有所增加；反映中华民族精神等民族文化内容的文章篇目较以前多。