敬爱的读者:本刊自创刊以来,虽然结合国内需要也报导了一些有用的文献,但因调查研究不够,所以选题不准的问题还很严重。为此希望广大读者提出您的宝贵意见,同时,把您需要的内容介绍给我们,以便协助查找,如果您已找到急需的文献而一时翻译不了,若佑计这些文献具有普遍意义,那么就请您寄给我们,以便组织翻译,及时提供您使用。我们相信,把选题工作交给广大 Dear reader: Since its establishment, we have reported some useful articles in combination with domestic needs. However, due to the lack of investigation and study, the issue of not being able to choose the correct topic is still grave. To this end, we hope that our readers will put forward your valuable suggestions and at the same time, introduce what you need to help us to find out. If you have found a much-needed document and can not immediately translate it, if these articles have universal significance, please You send it to us in order to organize the translation and provide you on time. We believe that the selection of topics to the vast majority