In the study of optical properties of low class crystal system, the identification of optic sign has important meaning to unknown crystal and mineral determination.
在低级晶族光学特性的研究中，光性符号的确定对未知晶体及矿物的鉴定有着重要的意义。
There are our common goal, and also a mission of our Chinese crystal craftsman — to create a world-class crystal brand!
这既是我们的共同目标，也是我们中国水晶人的共同使命——打造世界一流的水晶品牌！
There are our common goal, and also a mission of our Chinese crystal craftsman — to create a world-class crystal brand!
这既是我们的共同目标，也是我们中国水晶人的共同使命——打造世界一流的水晶品牌！
应用推荐