Not known Details About Crystal

27Local economists have seemed into their crystal balls and seen a thing somewhat awful.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》

Yet another pleasurable, and delicious, experiment is to type significant crystals making use of sugar. By heating sugar with water after which you can permitting this Resolution evaporate on sticks, it is possible to type rock sweet from sugar crystals!

10This will be the silicon chip—just a little chip of silicon crystal.这是硅芯片——一个硅晶体的小芯片。

Tetragonal: These crystals sort prisms and double pyramids. The structure is like a cubic crystal, other than a person axis is longer than the other.

25If you are a Billy Crystal supporter, you may enjoy this movie.如果你是比利·克里斯特尔的影迷,你就会喜欢这部电影。《柯林斯英汉双解大词典》

无色水晶与无色长石因折射率和密度十分接近故较难区分。主要方法是放大检查。长石有两组极完全解理,显微镜下可见两组解理相交而成的“娱蛤状”包裹体或细直的纹理,而水晶则无解理发育,仅有时可见断续不规则的裂理。

⑦、镀彩:运用类似电镀的手法在水晶表面以不同的色彩,层面较薄,经摩擦可划伤�?;出现划痕,由于镀彩经常位于底部,因此在镀彩底部经常采用其它对象附着,如生肖文镇。

②固体包裹体:指呈固态相存在包裹体,多因岩浆、热液、变质作用等形成的早期结晶物被水晶捕获而形成。

13Nearly all personal computers include a quartz-crystal clock to manage 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。

[ C/U ] transparent glass of high quality, generally with its area cut into designs that replicate light

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。

Orthorhombic: They're rhombic prisms here and dipyramids that resemble tetragons but devoid of square cross-sections.

压电性:水晶晶体受到压力时会产生电荷;反之,受到电压作用时,晶体会产生频率很高的振动。水晶具有可使压力与电荷相互转移的性能,称压电性。

Tetragonal �?Characterised by a few mutually perpendicular axes, two of which can be equivalent in duration, whilst the 3rd is for a longer time or shorter and perpendicular to one other two.

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