前言近几年来,国内出现了盲目引进外国光通信设备的不良风气,应引起有关部门的高度重视。在此,笔者从观察调查到的情况着重谈谈在引进工作中应该引起注意的几个问题,目的是与搞引进工作的同志共同探讨, Preface In recent years, there has been a bad trend in the blind introduction of foreign optical communication equipment in China, which should cause the relevant departments to attach great importance to it. Here, from the observation and investigation, the author focuses on a few issues that should be brought to the attention of the introduction work. The purpose is to discuss with the comrades who are engaged in the introduction work.