本文通过对该修船基地水域的通航环境的分析，论证该修船基地水域的通航环境、船舶航行安全管理及安全应急预案等的可行性。
This paper analyzes the navigable environment of water area of the base, demonstrate of navigable environment, ship navigation safety management and safety emergency reserve plan in that area.
这里可是前苏联发射太空船前往月球、金星、火星，还有宇航员升空环绕地球轨道航行的基地。
This was where the Soviets launched spacecraft headed for the moon, Venus and Mars, as well as cosmonauts headed for earth orbit.
2004年，小布什宣布了美国航空局(美国国家航空和宇宙航行局)将于2020年重返月球进行月球探测和基地建设活动的计划。
IN 2004 George Bush announced a plan for America's space agency, NASA, to return to the moon by 2020, explore it and set up a base.
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