目的运用二维斑点追踪技术(2DSTE)评价左心室不同构型的原发性高血压(EH)患者左心室扭转机制。方法选取高血压患者170例和健康志愿......

目的：探讨彩色多普勒超声对乳腺良恶性肿块的鉴别诊断价值.方法：应用二维超声观察肿块的形态、边界、内部回声、有无后方衰减及侧方......

AIM: To assess the value of ultrasonography (US) in evaluation of proximal gastric accommodation disorder in patients wi......

运用CAXA制造工程师对凹槽类零件进行二维数控加工,省去三维实体加工中的三维数据建模这一繁琐的过程,大大缩短了加工周期,为企业......

为了寻求代价更小、效率更高、适应性更强的图像原型表征方法,借鉴成分识别理论的观点,设计出一种更符合人类认知原理、更具有可理......

A method is introduced to stabilize unstable discrete systems, which does not require any adjustable control parameters ......

A method is proposed to deal with the uncertain multiple attribute group decision making problems,where 2-dimension unce......