“category”的概念、定义、翻译、参考文献-科学参考

单词	category
释义	category [`kad·ǝ´gȯr·ē] ^MATHEMATICS A class of objects together with a set of morphisms for each pair of objects and a law of composition for morphisms; sets and functions form an important category, as do groups and homomorphisms. ^SYSTEMATICS In a hierarchical classification system, the level at which a particular group is ranked.
随便看	holonomic constraints holonomic system holophotal holophote holophyte holoplankton Holoptychidae holopulping process holorhinal Holostei holostome holostratotype holosymmetric holosystemic Holothuriidae Holothuroidea Holothyridae Holothyrina Holotrichia holotype holozoic holster Holtz machine Holuridae holystone

科学参考收录了103327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。