科技期刊的主要来稿渠道有二:一是自由来稿;二是特约稿。自由来稿题材广泛,水平高低差别也很大。特约稿是编辑部选题后主动约的专题稿,用以补充自由来稿中缺少反映当时学科领域新动向或需及时引起本学科普遍重视的内容。两类来稿的编辑处理程序基本相同,只是编辑部在组织特约稿之前一定要选准题,并对撰稿人能满足预期撰写要求有充分把握,避免出现特约稿因写作达不到出版要求不 There are two main sources for scientific and technical journals: one is free draft; the other is special draft. A wide range of freelance contributions, the level of difference is also great. Contributing manuscripts are the compilation of manuscripts on the initiative of the editorial board for supplementing the lack of content reflecting the new trends of the subject field at the time or causing widespread attention in this subject in time. The two types of manuscripts editing and processing procedures are basically the same, but the editorial department in the organization of draft must be selected before the question, and the author can meet the expected writing requirements are fully grasp, to avoid special draft because the writing can not meet the publishing requirements