concentric造句
On a blackboard, he drew five
concentric circles.
他在黑板上画了5个同心圆。
The curvature of the film is
concentric with the mirror behind the meniscus.
胶片的曲率是和弯月透镜后面的反射镜同心的.
The street plan of the city has evolved as a series of
concentric rings.
该城市的街道平面图像一圈圈的同心圆环.
Concentric spheres are parallel.
同心球面是平行的.