Discussion about water quality evaluation index method in drink water source;
饮用水源水质评价指数法探讨
The forecast of the air pollutant index in different forecast area in Rizhao City;
日照市大气质量指数分区预报
A universal index formula of water quality evaluation suited to multi-parameter;
适用于多指标的水环境质量评价的普适指数公式
The Research of Exponential Measuring of Industrial Design s Evaluation Criterion;
工业设计评价标准的指数型量化研究
The exponent of the primitive two-colored directed graph D is the minimum value of h+k taken over all such h and k.
一个双色有向图D是本原的,如果存在非负整数h和k,且h+k>0,使得D中的每一对顶点(i,j)都存在从i到j的(h,k)-途径,则称h+k的最小值为D的本原指数。
Copyright © 2022-2025 字海网 zi.yyxxoo.com All Rights Reserved 赣ICP备16001187号
字海网是专业的汉语在线工具集,提供权威的汉语字典、词典、成语、古诗词及英语词典查询服务,致力于传承和弘扬中华语言文化。合作与反馈请联系QQ:2830130449。
本站内容来源网络,如涉及版权或表述问题,请及时联系QQ:2830130449。