求翻译：建设航天发射场，是人类实现太空探索的最重要的一步。2007年，经中央军委批准，中国在海南文昌龙楼镇新建第四个航天发射场。是什么意思？

Spaceport construction is the most important step to achieve human space exploration .

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The construction astronautics G8 0N decoy launching, is the humanity realizes Space Exploration most important one step.In 2007, authorizes by the Central Military Committee, China in Hainan wenchang Long Louzhen newly built fourth astronautics G8 0N decoy launching.

Construction of spaceport, is the most important step in human space exploration. In 2007, approved by the Central Military Commission, long town new Wenchang in Hainan, China's fourth space launch site.

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