concentration index中文什么意思

集中系数

浓度指数

• concentration:    n. 1.集中。 2.【化学】提浓， ...
• index:    n. (pl. -es, -dice ...
• index of concentration:    集中度指数

例句与用法

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1. Aci allowable concentration index
   允许浓度指数
2. Now the brands that are accepted include the famous brands and the local ones . in the dairy market , the concentration index of packaged milk and yogurt is high
   目前人们消费的乳品包括知名品牌和地方品牌两类，从乳品行业的市场来看液态奶和酸奶知名品牌的市场集中度很高。
3. On the basis of china ' s yearly exported data from 1992 - 2002 , this paper use concentration index to weight the market structure , and forecast the trend of development
   利用中国输日农产品年度数据，运用集中度指标来衡量我国农产品出口日本市场状况，分析并预测未来输日农产品的发展趋势。
4. The diversity index showed that neca > pca > cka , and so did the evenness index . the dominant concentration index showed that cka > pca > neck . so the stability of the arthropod community in neca is best and that in cka is worst in the three areas
   同时，常规对照棉田中时有发现的红铃虫( peetinophoragossypxellasaunders ) 、玉米螟( ostriniafurnaeali : ( euenee ) ) ，在转bt墓因棉田中没有发生，表明转bt基因棉对棉田中大多数鳞翅目害虫具有良好的抗性
5. In chapter four , on the basis of taking up a great amount of first hand information , the article for the first time puts forward original degree of concentration index numerical value ( 1990 - 2001 ) of china coal industrial market and has engaged more objective analysis and appraisal in relation to so such sensitive problems as influence factor , market structure positioning , especially the orientation of industry policy and enterprise restructure and expansion and has figured out the core content of the article
   同时，在占有大量一手资料的基础上，第一次公开推出原创性的中国煤炭产业市场集中度指标数值( 1990 - 2001年) ，并对其影响因素、市场结构定位，尤其是产业政策取向和企业重组扩张等敏感性问题进行了较为客观的分析和评价，构造出本论文的核心内容。作为最大的发展中国家，中国历经10余年的煤炭市场化实践，出现了许多值得认真研究并需合理解释的现实问题。