“letters express item”的概念、定义、翻译、参考文献-科学参考

单词	letters express item
释义	letters express item Encyclopedia 工学快件释 letters express item信件类快件以封套形式缄封的，内件是按照名址递送给特定个人或者单位的信息载体的快件。不包括书籍、报纸、刊物等。
随便看	The Sand Prevention Law of the People's Republic of China The Sandwich Man The Sane Society the sarcophagus with acrobatic portraits of music and dancing in the Han tomb of Pidu the Satanic Verses Controversy The Satisfactory Old Age The Saturday Thesauri and Interoperability with Other Vocabularies thesaurofacet thesaurus thesaurus expert Thesaurus of Engineering and Scientific Terms Thesaurus of Geographic Names Thesaurus of Japan Information Center of Science and Technology Thesaurus of Official Documents for General Office of the Communist Party of China Thesaurus of Official Documents for the State Council Thesaurus of Scientific and Technic Terms thesaurus search The Savage Land The Savage Mind The Scaffold The Scar The Scarecrow: a Collection of Stories for Children The Scarlet Letter The Scattered Poems on Bamboo Slips collected by Shanghai Museum

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。