“tree”的概念、定义、翻译、参考文献-科学参考

单词	tree
释义	tree Encyclopedia 理学基础数据结构释 tree树一类特殊的无向图，其中的任二顶点间恰有一条路径。树作为一种图论术语最早被A.凯莱在其1857年发表的文章中使用，这类图结构类似于树木枝杈，因而得名。 Physics tree树[形]｛数｝ tree [diagram]树[图]^† Mathematics ＞数理逻辑与数学基础＞集合论＞释义 tree树 tree树^†
随便看	usable energy usable part USA Cable Communications Policy Actx USA Children's Television Act USA Communications Act US Act of Water Resources Planning USA-DOL USAF TPS usage usage-based approach to language usage based motor vehicle insurance usage-based theory usage dictionary usage note usage of Chinese medicinals usage of flood detension area usage of trademark usage of words Usage Scenario Usain Bolt US Air Force Official Qualification Test US Air Force Test Pilot School U.S. Air Force Thunderbirds Usa manganese deposit USA movie rating system

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。