Results: The shape of SOF changed from isosceles triangle in the stage of newborn to acute triangle by the stage of 7 years.
结果：小儿SOF随年龄的增长，形状由等腰三角形向锐角三角形演变。
Obtuse triangle: One of the three angles is an obtuse Angle. The other two are acute angles.
钝角三角形：有一个角是钝角，有两个角是锐角。
Right triangle: One of the three angles is a right Angle. The other two are acute angles.
直角三角形：有一个角是直角，有两个角是锐角。
Objective To discuss common pathological changes in Calot triangle in cases of acute calculary cholecystitis and the rational surgical treatment.
目的探讨急性结石性胆囊炎胆囊三角常见病理改变因素及手术治疗的合理措施。
The building is the form that cut an acute Angle part on a triangle plan derived from the site. Furthermore, it got the maximum volume of hip roof of three planes in restriction of setback-line.
建筑的形式是在三角形的场地所衍生的三角形平面上切掉一个尖角，另外在界限内，设计争取到了由三个板面组成的尖顶的最大体量。
The building is the form that cut an acute Angle part on a triangle plan derived from the site. Furthermore, it got the maximum volume of hip roof of three planes in restriction of setback-line.
建筑的形式是在三角形的场地所衍生的三角形平面上切掉一个尖角，另外在界限内，设计争取到了由三个板面组成的尖顶的最大体量。
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