本刊电子信箱开通以来,无论是对编辑部,还是对于广大读者、作者均提供了方便,提高了工作效率,简化了通讯程序。为了更好地使用E-mail,现向读者、作者作如下说明: 1 文件较大时,请先压缩后再发送; 2 文稿中的插图需用扫描仪扫入时,图中线条一定要清晰,若为照片则最好单独邮寄原 Since the publication of this e-mail, both the editorial department, or for the readers, the authors have provided convenience, improve work efficiency and simplify the communication process. In order to make better use of E-mail, now to the reader, the author as follows: 1 larger file, please compress and then send; 2 manuscript in the document to be scanned with a scanner, the lines in the figure must be clear If the photo is the best separate mailing original