Chrome，
QQ浏览器
.
![[高中物理]轻松搞定万有引力！天才牛顿再次回归！保姆级教学，拯救你的必修二](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2Faf6d096f530f17ab8529f04f9a3af9167890b59a.jpg%40672w_378h_1c_%21web-search-common-cover)
![[高中物理] 零基础动画保姆教学！一次性搞定！环绕问题/天体密度/黄金代换/双星问题..万有引力计算](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F87f1fdd3d82d919d2287456ca56496d4e80f75ad.jpg%40672w_378h_1c_%21web-search-common-cover)
.