横层结构的龟纹石则沟壑纵横、逶迤连绵，意韵幽长。
Horizontal layer structure of turtle grain stone, ravines crossbar, vistas of picturesque YouChang.
龟纹石可配上底座欣赏其自然形态，也可制成不同风格的山水、树石盆景，颇为赏心悦目。
Turtle grain stone can match on base to enjoy its natural form, also can be made into different styles of landscape, stone bonsai tree, is feast for the eyes.
龟纹石表面横竖乱纹，类似龟壳上的纹理。
Moire stone surface horizontal turbulence, similar to the shell texture.
选择灵壁龟纹石，主要依据以下几个方面。
Choose LingBi turtle grain stone, mainly based on the following aspects.
龟纹石历史悠久，早在明清时代就有文人采集、观赏。
The moire stone has a long history, as early as in the Ming and Qing Dynasties literati collection and appreciation.
在彩色印刷中，龟纹的出现严重影响了印刷品的质量。
In the color printing, the appearance of moire has affected the print quality seriously.
龟纹石花纹奇特，是雕琢石龟、石砚等工艺品的上好原料。
The moire stone pattern is peculiar, carved stone turtle, inkstone and other handicrafts on raw materials.
制作龟纹石假山？需要的机械：吊机，挖机，吊带，铁锹等。
Making the moire stone rockery? The required machines: crane, excavator, sling, shovels etc.
品种有黑白道、龙鳞石、龟纹石、莲花石、竹叶石、鱼籽石等。
Varieties have black and white, squama lotus stone, stone turtle veins, stone, bamboo, stone, fish roe, etc.
所以，有效抑制龟纹的出现，既改善了印刷品质量，又提高了生产效率。
Therefore, if we can effectively suppress the appearance of the moire, which will improve both the print quality and the production efficiency .
龟纹石可配上底座欣赏其自然形态，也可制成不同风格的山水、树石盆景，颇为赏心悦目。
Shi Ke with Moire appreciate its base natural form, landscape and bonsai tree stone can be made into different styles, quite good to hear or see.
对于半色调扫描龟纹，本文将借助傅立叶变换分析半色调加网同扫描网屏之间的混淆现象。
Regarding the moire in scanned halftone picture, this article will rely on the Fourier transform to describe the confusion between halftone screen and scanning screen.
阐述了索引色与调频加网在网版印刷中的应用，以及在调频加网印刷中如何减少龟纹的出现。
It specifies the application of index color and FM technology in screen printing, and how to reduce moir sin screen printing with FM technology.
应用地学统计学的原理和方法研究了不同时期棉蚜及龟纹瓢虫种群的空间结构和空间相关性。
The spatial construction and distribution of Aphis gossypii and Propylaca japonica at different period were investigated with geostatistics.
结论认为，桃蚜可以识别龟纹瓢虫的存在，并对其作出一定的躲避反应，从而降低被捕食的风险。
We thus conclude that the aphids have the ability to detect the presence of P. japonica and adopt initiative avoidance responses to reduce the predation risk.
本论文的研究目的：通过分析龟纹产生的机理及影响因素，针对不同的龟纹类型提出不同的抑制方法。
The purpose of this article is to propose different ways for different type moires in color printing.
湖南张家界龟纹石其斑纹亦有方形、棱形、鱼鳞形、竹叶形等，稍加打磨后浸入水里，即花纹立现，色泽十分鲜明。
Hunan Zhangjiajie markings moire stone also has square, rhombus, scale shaped, bamboo shaped, slightly polished into the water, namely the pattern. The color is very bright.
湖南张家界龟纹石其斑纹亦有方形、棱形、鱼鳞形、竹叶形等，稍加打磨后浸入水里，即花纹立现，色泽十分鲜明。
Hunan Zhangjiajie markings moire stone also has square, rhombus, scale shaped, bamboo shaped, slightly polished into the water, namely the pattern. The color is very bright.
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