Soviet aeronautical and astronautical design bureau .
苏联的主要航空航天设计局有。
In the case of astronautical endeavors the united states has made much progress .
就宇宙航行的努力来说，美国已取得了很大进步。
Urbanicom ; international astronautical congress of iaf ;
宇航联合会国际宇宙航行大会；
Graduate university for advanced studies ( sokendai ) : institute of space and astronautical science .
合研究大学院大学:宇宙科学研究本部。
In order to guarantee the astronautical mission the success , must reduce as far as possible the risk the threshold , cannot make every effort or little has problems .
