...质点个数的计算 面心立方 晶胞中的原子个数 Face-centered cubic (fcc) unit: 8×1/8 + 6×1/2 = 4 金属晶体 ( Metallic crystals ) 金 (gold, Au) 金晶格 体心立方 body-centered cubic (bcc), e .
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Bournonite crystals belong to the orthorhombic form of short columnar and plate, brittle, with metallic luster, often Chenggang grey to dark grey.
车轮矿晶体，属斜方晶系，呈短柱状和板状，性脆，具有金属光泽，常呈钢灰色至暗铅灰色。
Metallic calcium also burns in fluorine gas, forming the fused fluoride, and occasionally minute crystals of fluorspar.
金属钙还烧伤的氟气，形成了融合氟化物，偶尔分钟和萤石晶体。
Malfunction of the metallic stent can be caused by encrustation of crystals, bacterial sludge, bile salts, and tumor compression or tumor ingrowth.
金属支架的功能障碍可以由胆管内的结晶凝块，细菌性污泥，胆盐，及肿瘤压迫或肿瘤直接侵入支架。
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