“professional classification”的概念、定义、翻译、参考文献-科学参考

单词	professional classification
释义	professional classification Encyclopedia 管理学信息分类释 professional classification专业分类法针对某一专业或学科领域的文献主题编制的，或为某一专业部门、某一专业机构专用的分类表。
随便看	conical logarithmic spiral conically conically scanning antenna conical nebula conical net conical papillae conical point conical refraction conical rotor machine conical scan conical scanning earth sensor conical-scanning radar conical spiral conical spiral feed conical surface conical surface of rotation conical wedge conic constant conic double point conic equidistant projection conic function conic in affine geometry conicity conico-cylindric surface conic of centers

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。