The model considered the circulardiaphragm wall and circular lining as elastic material, and the soil as D-P model.
模型将圆形地连墙和环形内衬当作线弹性材料，土体采用D - P准则。
2
But the fossil creatures had spiny limbs sprouting from their heads and circular, plated mouths, which opened and closed like the diaphragm of a camera.
这种生物头上伸出带刺的肢体，扁圆形的嘴巴就像照相机的光圈一样开开合合。
3
The subject of this paper is how to design the circular flat diaphragm as a pressure-sensing, element in accordance with its linearity.