Natural use materials that contrast the color and/or texture of the signaling area (rocks, brush, branches, stomped grass).
信号区域中颜色、纹理差异较大的材料（岩石，树林，树枝，践踏过的草地等）
Qianceng stone is a kind of sedimentary rock, its texture into layered structure, in between layer and layer a layer of light grey rocks, stone into horizontal, one and weathered erosion of rock.
千层石是沉积岩的一种，其纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。
Qianceng stone is a kind of sedimentary rock, its texture into layered structure, in between layer and layer a layer of light grey rocks, stone into horizontal, one and weathered erosion of rock.
是沉积岩的一种，其纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。
Key points: texture, structure and classification of sedimentary rocks.
重点：沉积岩的结构、构造和分类。
Texture and structure of igneous rocks and classification.
岩浆岩的结构和构造岩浆岩的分类。
Qianceng stone is a kind of sedimentary rocks, texture into layered structure, in between layer and layer a layer of light grey rocks, stone into horizontal, one and weathered erosion of rock.
千层石是沉积岩的一种，纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。
The macroscopic nature of the mineral content, grain size, texture and color of rocks.
岩石的矿物成分、颗粒大小、结构和颜色的宏观性质。
Key points: texture, structure and classification of igneous rocks.
重点：岩浆岩的分类、结构和构造。
The study and correlation of strata to elucidate Earth history on the basis of their lithology, or the nature of the well log response, mineral content, grain size, texture and color of rocks.
根据地层中岩石的岩性、录井反响的性质、所含矿物、颗粒大小、结构与颜色等对地层进行的研究与对比以阐明地球史。
I then texture the styrofoam with a couple of small rocks.
然后我纹理与小岩夫妇的发泡胶。
The article deals with the composition and texture of carbonate rocks, the conditions of karst, the features of karst development in the Zanzibar Island.
本文论述了桑岛的碳酸盐岩的组成特征、岩溶作用的条件和岩溶发育的特征。
Sedimentation controlled the textures of clastic rocks such as matrix, sorting and rounding, and further affected the texture of primary pores, which served as basement for later dissolution.
沉积作用控制了碎屑岩杂基、分选、磨圆等结构特征，进而控制了原生孔隙结构，为后期溶解作用的形成奠定了基础。
From the point of view of texture, Carbonate rocks are mainly composed of grains, mud, cement crystals and bio-framework.
本文主要是介绍结构分类。从结构观点看，碳酸盐岩由颗粒、泥、胶结物、晶粒以及生物格架五种结构组分组成。
From the point of view of texture, Carbonate rocks are mainly composed of grains, mud, cement crystals and bio-framework.
本文主要是介绍结构分类。从结构观点看，碳酸盐岩由颗粒、泥、胶结物、晶粒以及生物格架五种结构组分组成。
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