Fascination About Crystal
Fascination About Crystal
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27Local economists have looked into their crystal balls and observed some thing rather nasty.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》
the sound point out of many straightforward substances, which have an everyday shape and surfaces organized in related styles
10This may be the silicon chip—a little bit chip of silicon crystal.这是硅芯片——一个硅晶体的小芯片。
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条痕颜色：无色。矿物粉末的颜色叫条痕。它可以消除假色，减弱他色，保留自色，是比矿物的颜色更为可靠的鉴定特征之一。
你们都知道，拿起一个水晶棱镜，让一束阳光通过它，就会得到一个光谱，看起来就像一条连续的彩虹色带。
Add to phrase listing Include to term record [ C/U ] clear rock that looks like ice, or perhaps a bit of it
26Some of the best ingesting glasses are produced from direct crystal.一些最精致的酒杯是用铅晶质玻璃制成的。《柯林斯英汉双解大词典》
13Nearly all desktops incorporate 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。
Solids which have brief-selection order but deficiency very long-array purchase are called amorphous. Just about any material could be created amorphous by swift solidification with the melt (molten state). This condition is unstable, and also the strong will crystallize in time. In the event the timescale for crystallization is many years, then the amorphous point out seems stable.
Within the Cambridge English Corpus We say the chain topology inside the superior w region functions as the proverbial ' scratch-on-theglass ' essential from the organic chemistry laboratory to produce crystals. With the Cambridge English Corpus Continuous-strain and temperature molecular-dynamics simulations of crystals from the lecithin fragments - glycerylphosphorylcholine and dilauroylglycerol. Within the Cambridge English Corpus As well as these, dust particles are actually noticed in read more lower-temperature plasmas, like those Utilized in plasma processing and plasma crystals. From the Cambridge English Corpus The ultimate A part of the guide concentrates on peculiarities of strongly coupled dusty plasmas, such as the formation of dust crystals and linked attractive forces. Through the Cambridge English Corpus Total characterization of harm threshold in titanium doped sapphire crystals with nanosecond, picosecond, and femtosecond laser pulses. In the Cambridge English Corpus Unbroken crystals are euhedral; rounded, or more irregular, Major morphologies were not observed. With the Cambridge English Corpus See all samples of crystal These illustrations are from corpora and from resources on the internet. Any views within the examples tend not to stand for the opinion in the Cambridge Dictionary editors or of Cambridge University Push or its licensors.
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。
玉石纹理如果能形成美丽的花纹、图案，其价格就高，如玛瑙内红白相间的色带有规律地排列，形成缠丝玛瑙时，碧玉中的不均匀颜色形成一种风景图案时，材料的价值将提高。当水晶内包裹体形成美丽的图案时，如幽灵水晶、风景水晶，或者针状包裹体呈束状排列时，其价值都高于普通的水晶。图案越美观、越有意境越好。
水晶的价值根据品质、块体的大小、美感和产量多少的不同相差较大。遇到好的天然水晶要敢于下手，但好的水晶一般大家都想得到，值与不值，就要看经验了。由于天然水晶的开采和制作原因，没有瑕疵的水晶很难得到，纯净的饰品要达到与合成水晶媲美的品质，实在是很难得。另外，由于水晶的特性，在佩戴过程中，也会改变其等级，比如因为某种原因，有可能会逐渐产生较大裂纹。