Objective To diagnose the fibrolamellar hepatocellular carcinoma (FL HCC)with two dimentional and duplex Doppler ultrasonography.
目的应用二维及双功多普勒超声诊断纤维板层性肝细胞癌（FL HCC）。
A quasi-two dimentional analytical model of threshold voltage for non-uniform doped short channel MOSFET is presented in this paper.
本文提出一个非均匀掺杂、短沟道MOSFET阈电压的准二维解析模型。
A general practical finite element analysis model for two-dimentional elastic large deformation contact problems was established using the TL method.
用TL法分析研究，建立了二维弹性大变形接触问题的一般实用有限元分析模型。
应用推荐