采用单切面实时超声显像法对20例慢性胆囊炎及30例胆囊切除术后患者，进行了流体餐胃动力学多项指标检测。
Gastric motility functions in 20 patients with chronic cholecystitis, 30 patients with cholecystectomy and 25 normal controls were studied by ultrasonography(US).
在心尖四腔心切面除显示单心室外，还能显示共同房室瓣、单心房等合并畸形。
In apical four chamber view, not only single ventricle could be displayed, but the common atrio-ventricular valve, mono-atiriatum and other anomality could be displayed also.
从文献看到的斜角切削研究报告大多数限于切屑的形式及基于单剪切面概念的力学研究，似乎斜角切削的研究远远不如直角切削深入。
A study of the literature in oblique cutting shows that only chip formation and mechanics have been studied to some extent. Even these are based on single slip line concept.
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