“U-statistics”的概念、定义、翻译、参考文献-科学参考

单词	U-statistics
释义	U-statistics Encyclopedia 理学【核心概念】释 U-statisticsU统计量设都是维随机向量，为不超过的自然数，是变元的波莱尔（Borel）可测函数，此处每个都在维欧氏空间上取值。要求是对称函数，即对的任意置换成立。令：则称是以为核的，基于的U统计量。
随便看	nearby space nearby star nearby surface Nearch crater near-circular orbit near-collision nebula near-compactness near-contact binary near continuity Near Death near degeneracy near-Earth asteroid near-earth asteroid near-earth asteroid belt Near Earth Asteroid Rendezvous Near Earth Asteroid Rendezvous probe Near Earth Asteroid Rendezvous - Shoemaker Near-Earth Asteroid Tracking near-earth comet near-Earth flyby near-earth object Near-Earth Object Surveillance Satellite near-earth orbit near earthquake near-earth satellite

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。