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1·When the rotation were found on the cleavage plane appear half reflecting feldspar, half are not reflective, this is when a white reflective Carlsbad twin;

当旋转标本，发现长石解理面上出现一半反光，一半不反光时，此即为卡斯巴双晶；

2·Refers to the mineral composition of emerald crystal surface and cleavage plane of When the composition of the mineral particles thick jade, particularly evident.

是指组成翡翠的矿物晶面及解理面在翠面的片状闪光。当组成翡翠的矿物颗粒粗大时，特别明显。

3·Mineral powders are good crystalline, and they break along the cleavage plane when they are comminuted, which cause the mineral powders have flat surfaces and sharp edge angles.

但是由于矿物晶体粉碎过程中表现出沿解理面解理破裂的强烈倾向，使得矿物粉体表面具有平整的解理面及尖锐的棱角。

4·The specimen with different direction, with the field or a magnifying glass to see a group of parallel dark and straight line or a line or plane appears on the cleavage plane until it is twin.

将标本向不同方向旋转，直到用野外或放大镜看到晶面或解理面上出现一组平行的明暗相间的直线或折线，这就是双晶纹。

5·The main influential factors on surgical results were whether presence of encasement of the basilar artery and its branches and of the arachnoidal cleavage plane between the tumor and the brain stem.

肿瘤不能全切除和出现严重并发症的主要原因是肿瘤包裹了基底动脉及其分支以及肿瘤破坏了软脑膜使肿瘤与脑干间失去界面。

6·Structures controlling the orebodies include plane cleavage, schistose cleavage and decollement plane, and the orebodies usually arrange in the form of S, H or grid, and so on.

主要容矿构造为剪切带和褶皱，其类型有轴面劈理型、片理型和滑脱面型，矿体组合样式有斜列式、“S”形和“乡”字形、“H”形及网格形等。

7·The cleavage and schistosity acted as an axial plane role in the early generation of compressed shear fold, and changed into a slip plane in the later generation of flexural slip fold.

片理（劈理）为早世代挤压-剪切褶皱的轴面片理，又成为晚世代弯滑褶皱的滑动面；