种子蕨类植物包括树状类型的植物.The seed ferns included treelike forms.配水树状管网优化布置属于典型的组合优化问题.Optimization of cooling pipe network layout is a typical combination optimal problem.依照树状结构, 分层次地组建这种8结点的超正方体.According to the tree structure, ...
METHODSTo determine the sister chromatid exchanges SCE of chronic alcoholism patients by peripheral blood culture.应用外周全血淋巴细胞培养方法检测慢性酒精中毒患者淋巴细胞姐妹染色单体交换率.The spirally coiled central filament of a chromatid along which the ...