六和宝典报码站b
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将天然钻石作为“种子”置入真空室→泵入3000℃的甲烷和氢气→两种气体迅速分裂→从甲烷中分裂出的碳原子集合于“种子钻石”，模仿其晶体结构，以0.006毫米/小时的速度“生长”→几天后，1克拉的钻石就被“培育”出来啦！快来看英国科学家最新实验。
新华社德黑兰5月7日电伊朗总统鲁哈尼7日在伊朗宗教圣城马什哈德表示，即便美国退出，伊朗也将继续遵守伊核协议。此前伊朗外长扎里夫在同俄外长拉夫罗夫会谈时指出，德黑兰打算继续就伊核问题与莫斯科对话。
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