面心立方密堆积和六方立方密堆积的空间利用率为什么最大为74%?
人气:446 ℃ 时间:2020-07-02 10:26:29
解答
晶胞就是长那个样子啊,用那些粒子存在的位置来算就是得到这个数字啊,还有什麽为什麽不为什麽的.比如说Zn是六方最密堆积,Zn原子的位置就是固定在某个地方了的,那它所占整个晶胞的比例也就确定了的.哪里有为什麽.
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