B-Scan transducers are used to create an ultrasonic two-dimensional cross section view.

医用B超换能器用于产生二维超声截面图。

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The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断面形状为沿对称轴对折的椭圆，此对称轴始终垂直于轴截面，其方向与平面图上的流道中线无关。

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The cross-section symbol of the pattern fill is a necessary material marker for the cross-sectional view of the solid object.

填充图剖面符号是机械制图、建筑制图中实体剖视图必不可少的材料标识。

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