Not known Details About Crystal
Not known Details About Crystal
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李商隐，杜牧，白居易，欧阳修，苏轼，呈大昌，辛弃疾，杨万里，吴文英，杨基，魏源等诗坛，词林大家都有歌吟水晶的佳篇传世。
杂质、裂纹越少越好。质地好的水晶制品，应看不到星点状、云雾状和絮状分布的气液包裹体或组成玉石的颗粒。有裂纹、斑点，则属于次品。
10This would be the silicon chip—a bit chip of silicon crystal.这是硅芯片——一个硅晶体的小芯片。
Tetragonal: These crystals variety prisms and double pyramids. The composition is like a cubic crystal, besides 1 axis is extended than the other.
《全唐诗》卷七八五载《白雪歌》：“鸟啄冰潭玉镜开，风敲檐溜水晶折。”
Lattices may have a person lattice point for every mobile or more than one, yielding a complete of 14 Bravais crystal lattice types. Bravais lattices, named for physicist and crystallographer Auguste Bravais, describe the 3-dimensional array created by a list of discrete factors.
Increase to term record Insert to phrase listing [ C/U ] transparent rock that appears like ice, or even a bit of it
There is a comparable directive about crystal glass which differentiates between whole direct crystal, direct crystal and crystal.
13Nearly all computer systems comprise a quartz-crystal clock to control their Procedure.几乎所有的计算机都有一个石英晶体时钟来调节它们的运行。
crystal The newly crystallized quartz grains are characterized by elongate crystals oriented oblique for the shear band margins, defining a standard grain-shape foliation. 来自 Cambridge English Corpus We are saying the chain topology in the substantial w region acts because the proverbial ' scratch-on-theglass ' necessary from the natural chemistry laboratory to make crystals. 来自 Cambridge English Corpus The age scatter amid the person crystals may well replicate incorporation of xenocrysts from earlier magmatic pulses or protoliths. 来自 Cambridge English Corpus Crystal The clinopyroxene varieties neutral to pale brown, subhedral to anhedral crystals, often made up of inclusions of plagioclase microlaths and opaque phases.
地质学家目前为止对晶洞形成还没有广泛认同的理论，但相信晶洞可以在任何埋藏的空腔内形成。这些空腔可以是火成岩中的气泡、树根下的空穴，甚至动物挖的地洞。经过漫长时间，空腔的外壁变硬，溶解的矽酸盐或方解石沉积到内壁。再经过漫长的时间，缓慢渗入的矿物使得晶体在空腔内部结晶。
国家还并未给天然水晶提供一个等级划分的具体标准，水晶品种繁杂，每一品种都有他不同的评判标准。
⑤、打孔：是在水晶成品未完成前，根据其所需打孔之尺寸及位置，以钻头加工，如制表件、笔筒、瓶孔等。
对于紫水晶黄水晶这样的单色水晶，通常要观察它的二色性，即使是最顶级的紫水晶黄水晶也是有色差的，通过这个方法可以鉴别是否加色。