“difference set”的概念、定义、翻译、参考文献-科学参考

单词	difference set
释义	difference set Encyclopedia 理学组合设计释 difference set差集设为阶乘法群，单位元为，如果为的元子集，且形如的元中含的每个非单位元恰次，则称为的一个差集。当为阿贝尔群(即交换群)或循环群时，分别称为阿贝尔差集或循环差集。 Mathematics ＞组合数学、组合设计与图论＞组合设计＞释义 difference set差集 difference set差集^†
随便看	directional light source directional limit directionally intersected wells directionally solidified columnar superalloy directionally solidified eutectic superalloy directionally solidified superalloy directional machine directional mutation directional partial derivative directional pattern directional pattern of microphone directional pinpoint blasting directional power protection directional quantization directional reflectomography directional selection directional selectivity directional sensor network directional solidification directional supplementation and draining method directional survey telemetry directional valve directional variation directional view directional well tool

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。