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&ensp;&ensp;&ensp;&ensp;17世纪，德国人开普勒在“日心说”的基础上发现了行星运动的三大定律，成为人类对行星运动的第一次定量表述，为万有引力的发现奠定了坚实的基础。。下面小编给大家分享行星运动里的定律，希望能帮助到大家。 行星运动里的定律文档下载网址链接：</div></div><div class=\"download_card_btn download_card_btn_lb\"><div class=\"content_box_tj\"><span>推荐度：</span><img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\"></div><div class=\"downlod_btn_right demo_tc downlod_btn_right_lb\"><em class=\"downlod_icon\"></em>点击下载文档<span>文档为doc格式</span></div> </div></div></a>';
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