肝静脉表现包括：癌栓形成（19例）、肿瘤压迫（2例）、肝静脉未显示（4例）和局限性狭窄（4例）。
Hepatic venous findings included tumor thrombosis(19 patients), tumor compression(2 patients), nonvisualization(4 patients)and focal stenosis(4 patients)of the hepatic veins.
早期的手机的数据通道非常狭窄，而这种方法刚好就缓和了这些设备及其网络的局限性。
Older cell phones had especially narrow data pipes, so this was a concession to the limitations of the devices and their networks.
摘要目前我国甜菜育成品种存在变异系谱和遗传基础狭窄的局限性。
Recently the sugar beet varieties bred in china are limited in hereditary basis and genetic variation genealogy .
目的探讨彩色多普勒超声在检测自体肾和移植肾肾动脉狭窄（RAS）中的价值和局限性。
Objective To analyze the value and pitfalls of color duplex ultrasound (US) in detecting renal artery stenosis (RAS) in native and transplant kidneys.
结论：16层螺旋ct冠状动脉成像可用于无创性诊断冠状动脉中高度狭窄，局限性伪影的影响不可避免。
Conclusion: 16-slice spiral ct could be used in noninvasive assessment of significant coronary artery stenoses with high accuracy. The limit was unavoidable artifacts.
摘要目前我国甜菜育成品种存在变异系谱和遗传基础狭窄的局限性。
Recently the sugar beet varieties bred in china are limited in hereditary basis and genetic variation genealogy.
目前我国甜菜育成品种存在变异系谱和遗传基础狭窄的局限性。
Recently, the Sugar beet varieties bred in China are limited in hereditary basis and genetic variation genealogy.
目前我国甜菜育成品种存在变异系谱和遗传基础狭窄的局限性。
Recently, the Sugar beet varieties bred in China are limited in hereditary basis and genetic variation genealogy.
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