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。
Crystals are wonderful rock formations which have astonished individuals for 1000s of many years. They are used for a lot of different things, not just for decoration. A lot of the initial radios at any time invented utilized crystals to transmit the radio waves. Some instruments, like quartz watches and laser crystals, use special Homes and harmonic abilities of crystals for making hugely accurate measurements and adjustments.
A crystal framework concentrates on how the atoms are arranged Within the crystal. However, crystallographers have an interest in the general shape and size of the crystal together with its external properties. To accomplish this, they need to know about the crystal technique.
Tetragonal: These crystals kind prisms and double pyramids. The structure is like a cubic crystal, besides 1 axis is for a longer time than the opposite.
There are also lots of components that resemble crystals but are literally polycrystals. Polycrystals sort when microscopic crystals fuse together to variety a solid. These supplies usually do not encompass purchased lattices.
Good Vocabulary: connected words and phrases Glass here blower blowpipe bulletproof glass Reduce glass fibreglass frosted glassware glaze glazed glazier glazing prism prismatic punty Pyrex reglaze unglazed vitreous vitrification vitrify See a lot more final results » You may as well uncover associated phrases, phrases, and synonyms from the subject areas:
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：
Hexagonal �?Characterized by 4 axes, 3 of which are equivalent in length and intersect at a hundred and twenty degrees, by using a fourth axis perpendicular to the opposite three.
Q.four. What's the difference between atomic composition and crystal composition? Ans. The main distinction between atomic framework and crystal construction lies in their definitions: atomic composition refers to how atoms are organized inside of a solitary molecule or possibly a cluster of molecules, While crystal composition issues the particular arrangement of atoms within a strong compound.
22Working from what The us now understands about by itself, the bureau's authorities and other demographers supply an irresistible, if clouded, crystal ball amongst their visions.
16I opened the box and saw a piece of crystal snowflake and a greeting card with "Happy Birthday" from the blank paper.我打开盒子并看见在白纸中有一片水晶雪花和一张写着“生日快乐”的贺卡。
Fig. one: Schematic of crystal development from developing blocks made up of a particle core plus a shell of DNA ligands hooked up on the particle surface.
⑨、喷砂：立体感弱，较平整，无凹凸感，机器雕刻文字、图形等后进行效果处理。成本低制作快。
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