论文部分内容阅读
《中国化工》征询意见问卷一、您是通过何种途径读到本刊的:()A.单位订阅;B.个人订阅;C.其他二、您对本刊内容阅读比例:()A.几乎全部读了(90%以上);B.大部分读了(约3/4左右);C.大约读了一半;D.只读了一小部分(l/4左右)E.只读了...
China Chemical Industry Consultation Questionnaire I. How did you read this publication? () A. Unit subscription; B. Personal subscription; C. The other two, you read the content of this publication: () A. Almost all read (more than 90%); B. Most of them were read (about 3/4 or so); C. About half read; D. Read only a small part (l/4 or so) E. Read only...