5 Simple Statements About Crystal Explained

5 Simple Statements About Crystal Explained

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27Local economists have looked into their crystal balls and seen something relatively terrible.当地的经济学者们已预测到将会出现棘手的问题。《柯林斯英汉双解大词典》

③、粗抛光：是将模具压出之毛胚，以金刚石盘直接磨出成品之刻线。④、细抛光：在粗抛光之后，以抛光粉来磨成品至晶莹剔透为止。

A crystal composition focuses on how the atoms are organized inside the crystal. Having said that, crystallographers have an interest in the general condition and sizing of your crystal along with its exterior characteristics. To accomplish this, they need to find out about the crystal technique.

Increase to phrase list Insert to term listing C2 [ U ] clear glass of really high-quality, commonly with its floor Reduce into delicate styles

《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。”

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时尚的收藏爱好者喜欢收藏天然水晶，却常常因为在市场上面对大量的合成水晶看走了眼。市面上的水晶：

1A crystal chandelier lit the room.一盏水晶吊灯照亮了房间。《柯林斯英汉双解大词典》

Among the many binary crystals, the best constructions to visualise are Those people with equal figures of the two sorts click here of atoms. The composition of sodium chloride relies over a dice. To assemble the lattice, the sodium and chlorine atoms are put on alternate corners of the cube, and the structure is recurring (Figure 3B).

看文化：水晶里面的包裹体象形，能与文化、宗教及历史有所牵连的话，价格往往会比水晶本身的价值高出几倍甚至几百倍。

被主体水晶所捕获的包裹体。原生包裹体通常为固相，形态较规则。水晶中典型的原成包裹体有金红石、电气石、黄铁矿等，也会见到岩石碎屑或集合体。

You will find other minerals and molecules which will kind these crystal lattices. Snowflakes really are a vintage illustration of a approximately symmetric and geometrically patterned composition from ice crystals, and gemstones of all types are generally crystals.

14For instance, we have Quartz crystal clocks and watches exact to inside one particular minute a calendar year.例如，我们使用的每年误差不超过one分钟的石英水晶钟表和手表。

The C60 molecules, also called buckyballs, are pretty robust and Nearly incompressible. Crystals are shaped these types of the balls are organized in an fcc lattice using a just one-nanometre spacing between the centres of adjacent balls. The equivalent C70 molecule has The form of the rugby ball; C70 molecules also type an fcc crystal when stacked together. The good fullerenes variety molecular crystals, with weak binding—provided by van der Waals interactions—in between the molecules.