美国《航天学和航空学》杂志1981年第19卷第7/8期刊载了由美国著名的航空航天学者和专家撰写的预见八十年代航空与航天的一系列文章。本刊特选其中有关航天方面4篇文章,分两期刊出供读者参阅,以便了解八十年代航天发展趋向。本期刊出《空间系统》和《生命科学与系统》两篇。 The American magazine Aerospace and Aeronautics, Volume 19, Issue 7, 1981, contains a series of articles from the famous American aerospace scholars and experts on predicting aviation and space in the 1980s. Selected publications of which four aspects of aerospace articles, published in two sections for readers to read in order to understand the development trend of the spacecraft in the eighties. This issue of “space system” and “life sciences and systems” two.