恒星可认为是由其内部物质在压力与自引力达到平衡时所构成的体系。
目的分析肝泡状棘球蚴病的多层螺旋CT (MSCT)表现特点，评价MSCT的诊断价值。
Objective to analyze the multi-slices spiral ct (MSCT) findings of hepatic alveolar echinococcosis (HAE), and to evaluate the value of MSCT for diagnosis of HAE.
通过有专利的多层脂肪球，北极星洗发水提供更多的营养成份。
Through the patented Multi-Layered Lipospheres Polaris shampoo also delivers added nourishing ingredients.
结果胚胎40 d，豚鼠前庭壶腹、椭圆囊斑及球囊斑已分化，前庭上皮出现一层毛细胞及多层支持细胞；
RESULTS Ampullary cristae or macula of saccule and utricle were well differentiated in ED 40. There were a layer of hair cells and several layers of supporting cells.
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