请输入您要查询的字词:
单词
magic square
释义
magic square
Encyclopedia
理学
组合设计
释
magic square
幻方
由n2(n≥3)个整数排成的n行n列方阵称为n阶幻方,如果方阵的任意横行、纵列以及主对角线上n个数之和都相等。又称魔方、魔阵或纵横图。
理学
〔术语和基本概念条目〕
释
magic square
纵横图
将从1至n2的自然数排列成纵横各有n个数的正方形,使每行、每列,有时还包括每条主对角线上的n个数的和都等于,又称n阶幻方。
Mathematics
magic square
幻方
†
,纵横图
随便看
Regulations on the Protection of the Right of Communication of the People's Republic of China
Regulations on the Publication of Audio and Video Products
Regulations on the Publication of Books
Regulations on the Publication of Newspapers
Regulations on the Publication of Periodicals
Regulations on the Publishing of Electronic Publications
Regulations on the Qualification of Publishing Professionals
Regulations on the Registration of Computer Software Copyrights
Regulations on the Reproduction and Conservation of Fisheries Resources
Regulations on the Safety Control of Civil Explosives
Regulations on the Selection and Appointment ofParty and Government Leading Cadres
regulations on the submission of archives by the local government in Tang Dynasty
Regulations on the Supervision and Administration of Medical Devices
Regulations on the Use of Police Ordnance and Weapons by Police in the People's Republic of China
Regulations on the Work of Grassroots Organizations in Colleges and Universities of Communist Party of China
regulations on unemployment insurance
Regulations on Veterinary Drug Administration
Regulations on Water Regulation of the Yellow River
Regulations on Work Safety Permits
regulation storage coefficient
Regulation System Construction of Medical Service Market
regulation technology of local environment in livestock buildings
regulation through the market
regulation time
regulation tools
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:2025/3/1 15:33:26