请输入您要查询的字词:
单词
可分组设计
释义
可分组设计
Encyclopedia
理学
组合设计
释
group divisible design
可分组设计
一类特殊的区组设计。设,为给定的正整数,,为给定的正整数集。设,式中为一个元集,构成的一个划分,且1">,是的一个子集族。的元素叫作组(group), 的元素叫作区组(block)。若下述条件满足:①对任意,都有; ②对任意,都有; ③对任意与任意,都有;④中任意一对属于不同组的元素恰好同时包含在个区组中,则称为一个可分组设计,记作或简记为。叫作设计的阶,叫作相遇数。若包含个大小为的组,,且,则称是型为的。
Mathematics
>组合数学、组合设计与图论>组合设计>释义
group divisible design
可分组设计
group-divisible design
可分组设计
随便看
proportion by subtraction
proportioner
proportion of nonconforming items
proportion of piped onto premises
proportion of soil erosion control
proportion of wind and solar power generation in electricity production
proportion relationship between accumulation and consumption
proportion relationship between two-major parts of social production
proportion with equal means
proposal
proposals for the integrated logistics support of aircraft materiel
proposed intake
proposed ruling
proposed solutions to engineering problems
proposition
proposition about dṛṣṭānta
propositional
propositional algebra
propositional attitude
propositional attitudes
propositional axiom
propositional calculus
propositional connective
propositional constant
propositional form
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/7/5 16:02:26