docking two orbiters to create china's first orbiting space station in the next few years.
这次任务预计持续三到四天，主要用于执行太空行走任务，太空行走正式的名称是“出舱活动（eva）”，它将有助于中国掌握两颗卫星的对接技术，在未来几年建立中国的第一个空间站。
the two astronauts who don spacesuits for the shengzhou 7 spacewalk will be supported by russian experts throughout the mission. only one will actually leave the orbiter module to retrieve scientific experiments placed outside. one of the astronauts will wear china's homemade feitian suit, while the other will wear a russian-made suit.
两名身穿神舟七号太空行走航天服的宇航员将由俄罗斯专家提供全程技术支持。只有一个人将实实在在的离开卫星舱在太空中进行实验。其中一名宇航员穿的是中国自制的“飞天”航天服，另一名穿的是俄罗斯制造的。
fighter pilot zhai zhigang, an unsuccessful candidate for the previous two manned missions, has been touted by the official xinhua news agency as the leading astronaut to carry out the spacewalk, expected to last about 40 minutes.
&