网红视频在线观看

网红视频在线观看

gh-speed reentry into Earth' atmosphere. China's current lunar program includes three phases: orbiting, landing, and returning. The first two phases have been accomplished, and the next step is to launch the Chang'e-5 probe to collect 2 kg of moon samples and bring them back to the earth. China is also drawing up the plan for the fourth phase of the lunar exploration program. In the fourth phase of the program, China will conduct scientific detection in the south polar region of the moon by mainly using high intelligent robots, and realize long-term exploration in t

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