胡匡璋同志的文章全面回顾了有关文献,并作了有益的整理。可以看到,这个问题的研究不过是近十余年的事,实验零星,理论研究思路也不够清晰,研究结果与实用检算之间,还有鸿沟。另一方面,通过学原文,我认为,全面解决上述问题的途径,已经显示展开。谨提出下 Comrade Hu Kuang-cheng’s article reviewed the relevant literature in an all-round manner and made some helpful arrangements. It can be seen that the study of this issue is only a matter of more than ten years. Sporadic experiments and theoretical research ideas are not clear enough. There is still a gap between the research results and practical tests. On the other hand, through studying the original text, I think that the ways to solve the above-mentioned problems in an all-round way have already been shown. I have the honor to submit