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

单词	subject classification
释义	subject classification Encyclopedia 管理学档案分类方法释 subject classification问题分类法以档案内容所反映的主要问题（主题、事由）作为分类标准，将全宗内档案分为若干类别的方法。又称主题分类法、事由分类法。
随便看	positive diffeomorphism positive diffeomorphisms positive differential positive direction positive displacement compressor positive displacement flowmeter positive displacement motor drill positive displacement pump positive displacement sensor positive distinctiveness positive distribution positive divisor positive divisorial ideal positive domain positive drawing positive drive lift positive dromotropic action positive edge positive effect of organizational communication positive eigenvalue positive eigenvalued matrix positive eigenvector positive electron positive element positive emitter-coupled logic

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。