能量守恒定律--law of conservation of energy;
动量守恒定律--law of conservation of momentum;
电荷守恒定律--law of conservation of charge;
质量守恒定律--law of conservation of mass
英语四级盲文试卷准备工作已就绪
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Head trip?
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Airbnb居然开始出杂志了
暑假计划 Summer Vacation Plan
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人工智能遇上交通灯 交通堵塞或成历史
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超越推特! 新浪微博月活跃用户达3.4亿!
游戏界高调宣战AI，星际争霸选手下战书了
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