1) water quality grade
水质分级
1.
In order to overcome the shortcoming of the un precision of traditional biological evaluation, the method by using fuzzy mathematics principle to choose various biological indexes to from the membership functions of boundary line of appraisal result so as to describe the water quality grade has been put forward in this paper.
为了克服传统生物评价方法评价结果较为粗糙的缺点，提出利用模糊数学的原理，选用多种生物指数进行生物评价结果分界线的模糊性改造，以期用隶属函数来描述水质分级。
2) Evaluating Grading Quality of Water
水质分级评价
3) water quality grading
水质评级
5) quality grade
质量分级
1.
This paper introduces the principle of quality grade for common POL equipment and main basis for quality grade.
通用油料装备的质量分级是依据油料装备的不同技术状况划分质量等级,以便于装备的使用、维护、退役和报废。
6) quality classification
质量分级
1.
Around the distinction of quality classification standards of agricultural product between at home and abroad, this paper gives a detailed analysis of China standards for quality grades, such as the number of standards, classification purposes, the standards format, the basis and principles.
文章围绕国内外农产品质量分级标准的区别,详细分析了我国农产品质量分级标准的现状,如数量、农产品分级目的、标准格式、依据和原则等,指出了我国农产品质量分级标准在内容、指标以及基础研究等方面的不足,并提出了我国农产品质量分级标准发展的建议。
补充资料：地下水水质测定(见水质测验)
地下水水质测定(见水质测验)
dixiashui shulzhi eeding地下水水质测定见水质测验。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条