今年4月28日,瑞士“航空快报》刊登了世界空间人造飞行物体(简称空间体)一览表。从表中可以概括地了解到二十五年来的世界空间发射状况。表中的数字系北美防空空间司令部提供。统计截止日期为1981年3月29日。表中将世界各国发射的空间体分为二大类:一类是目前仍在绕地球的以及深空中飞行的有效载荷与分解了的碎片; On April 28 this year, the Swiss Air Express published a list of world-wide man-made flying objects (abbreviated as space bodies), from which you can get an overview of the world space launch in 25 years. The figures in the table are drawn from North American air defense Space Command provides a statistical deadline of March 29, 1981. The table is divided into two major categories of space bodies launched by countries around the world: one is the payload and decomposition of the still flying around the Earth and deep space flight Fragments