论文部分内容阅读
日本航天活动连遭挫折１９９７年１１月以来，日本航天活动连遭故障和失败的折磨，给日本宇宙开发事业团（ＮＡＳＤＡ）造成了巨大打击，同时也使日本的空间开发计划蒙受了惨重的损失。在短短三个月中，日本航天活动至少遭受了三次挫折：１工程试验卫星－７的故障尚未排除...
Japan’s space activities suffered setbacks Japan’s space activities suffered a series of failures and failures since November 1997, which caused a huge blow to Japan’s Space Development Agency (NASDA) and suffered heavy losses in Japan’s space development plan . In just three months, Japan’s space activities suffered at least three setbacks: 1 Engineering test satellite-7 failure has not been ruled out ...