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nacre造句

"nacre"是什么意思  
造句与例句手机版
  • As a result , nacre thickness is sometimes just a cosmetic layer that can wear thin over time
    所以真珠质的厚度就像脸上化妆品,不久就会磨薄了。
  • Fine pearls do not have any flaws or spots in the nacre : it has an even , smooth texture
    在这些透明的真珠质层上反射和衍射所形成的。有些珍珠会有
  • Recent advances in nacre used as bone implant are reviewed in this paper
    摘要珍珠层是一种天然的纳米生物陶瓷材料,一直是生物矿物材料学者研究的焦点。
  • Pearls are organic gems , created when an oyster covers a foreign object with beautiful layers of nacre
    珍珠是有机宝石,是一些双壳的软体动物的产物。
  • It is likely that nacre will become a good candidate for bone graft substitution in future
    认为珍珠层是一种很有前途的骨植入材料,提出了今后研究的方向。
  • The pearl continues to grow in size as thousands of layers of the nacre continues to build around the pearl
    尤为特别的是,它的银光之上有一层闪烁的彩光,美艳而神秘。
  • Cultured and natural pearls will feel slightly rough , like fine sandpaper , because of the texture of natural nacre
    。天然珍珠和人工养殖珍珠会有些许粗躁的感觉,如同细砂纸般,那是真珠质的天然触感。
  • When selecting a pearl , consider that the larger the pearl , the more nacre it has , so it will also exhibit even more luster
    这些珍珠层是平行的,剖面呈同心圆结构。每一珍珠层都十分光滑,而且是半透明的。
  • Not only then are the smaller , less robust creatures but the pollution in the water changes the color of the nacre and changes the color of the pearl
    珠蚌不但更小,生命力更弱,受到污染的水会改变真珠质和珍珠的颜色。
  • The pearl begins when the mollusk secretes a lustrous substance , called nacre , that coats the irritant and protects the soft internal surface of the mollusk
    得天独厚的自然条件,配合来自珍珠养殖业的翘楚日本的高超技术,是澳洲南洋珍珠高品质的保证。
  • It's difficult to see nacre in a sentence. 用nacre造句挺难的
  • 5 a round to near - round ; moderate / low luster ; thin nacre ( less than . 2 of total nacre ) ; 60 - 70 % inclusion free surface ; good to moderate matching
    5 a圆到接近圆的程度,中/低的光泽,簿的珠层(小于0 . 2的珠层含量) , 60 % - 70 %的表皮光洁度,良好到中等的匹配。
  • A tiny bead is implanted in an oyster , so that it is gradually coated in layers of a beautiful , pearlescent substance called nacre which build up to create a lustrous pearl
    尤其是在近两年的日本及欧美,珍珠饰品含蓄内敛的气质吸引了不少知性女子,成为时尚饰品的一大主流。
  • 7 commercial quality near - round to off - round ; moderate / low luster ; thin nacre ( less than . 2 of total nacre ) ; moderate to heavy inclusions ; good to moderate matching
    7经济级的质量,接近圆到不圆,中/低光泽,簿的珠层(小于0 . 2的珠层含量) ,中等到大量的瑕疵,良好到中等的匹配。
  • As an oyster creates a pearl , the layers of nacre do not always adhere smoothly . sometimes spots and bubbles can appear in the layering process
    由于光的反射,使珍珠看起来明亮有光泽由于光线的透射,使珍珠看起来晶莹剔透由于折射,光线会生产干涉现象,从而产生了变幻不定的色彩。
  • 2 aa + perfect round ; excellent luster ; thick nacre ( . 5 of total nacre or better ) ; 90 - 95 % inclusion free surface ; excellent matching ; top 5 % of a pearl farm ' s harvest
    圆度极高,极好的光泽,厚的珠层( 0 . 5或以上的珠层含量) , 90 - 95 %的表皮光洁度,极好的匹配,珠农收成中最好的5 %部份。
  • 1 aaa perfect round ; excellent luster ; thick nacre ( . 7 of total nacre or better ) ; 95 % inclusion free surface or better ; excellent matching ; top 1 % of a pearl farm ' s harvest
    1 aaa圆度极高,极好的光泽,厚的珠层( 0 . 7或以上的珠层含量) , 95 %的表皮光洁度或更高,极好的匹配,珠农收成中最好的1 %部份。
  • The quality of pearls is judged by the orient , which is the soft iridescence caused by the refraction of light by the layers of nacre , and lustre , the reflectivity and shine of the surface
    珍珠的价值主要由它的光泽颜色大小有无表面的缺陷和形状来决定的,其中光泽为最重要的因素。其特有的光泽是光
  • 2 ) the carotenoids successfully probed in nacre by in situ resonance raman spectra , are considered one of the most important factors responsible for the coloration of nacre and pearl
    2 )采用共振拉曼光谱首次成功地原位探测到三角帆蚌及马氏珍珠贝珍珠层中类胡萝卜素的存在,并提出类胡萝卜素是珍珠层致色的重要原因之一。
  • 3 aa very round ( less than 5 % gradation ) ; good luster , good nacre ( . 35 of total nacre or better ) ; 80 - 90 % inclusion free surface ; good / excellent matching ; top 20 % of a pearl farm ' s harvest
    3 aa非常圆(少于5 %的那部份的等级) ,良好的光泽,良好的珠层( 0 . 35或以上的珠层含量) , 80 % - 90 %的表皮光洁度,好/极好的匹配,珠农收成中最好的20 %部份。
  • 更多造句:  1  2
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