“定题情报服务”的概念、定义、翻译、参考文献-科学参考

单词	定题情报服务
释义	定题情报服务 Encyclopedia 管理学情报服务技术释 selective dissemination of intelligence service定题情报服务在一定时间内，有针对性地、及时地、连续地、有效地为研究人员提供有关研究课题的全面而准确的情报信息。包括专题文献题录、文摘、原文，专题情报信息综述和述评。
随便看	totally ordered ring totally ordered semigroup totally ordered set totally ordered subset totally orthogonal manifold totally orthogonal plane totally orthogonal space totally positive totally positive element totally positive field totally positive matrix totally positive number totally projective group totally ramified extension totally real CR structure totally real field totally real submanifold totally recursive subclass totally reflexive relation totally regular method totally regular ring totally regular transformation totally self-checking circuit totally sigma-finite measure totally singular subspace

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。