周建平说，交会对接任务是载人航天工程实施以来风险最大的一次。
Said Zhou the task of rendezvous and docking is the greatest risk since we started to carry out the manned spaceflight engineering projects.
周建平说，“国家已经批准立项建设空间站，我们正在进行方案论证。”
Zhou said "Our country has approved the project of building a space station. We are in the process of appraising the plans."
周建平说，“国家已经批准立项建设空间站，我们正在进行方案论证。”
Zhou said "Our country has approved the project of building a space station. We are in the process of appraising the plans."
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