第一向量
The two-dimension polyline set, triangle mesh and point sampled model are primary methods of geometric model representation and are widely employed to represent the vector map and three-dimension geometric model corresponsively.
二维折线集、三角网格和点是几何模型表示中的基本元素,分别被广泛用于二维矢量地图和三维物体模型的表示。
Conclusions Eukaryotic expression vector pCDNA 3-AADC can be efficiently expressed in primary muscle cells.
结论含人类神经元AADC基因的真核表达重组体可在原代培养的骨骼肌细胞中有效的表达.
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