片语
Small circle dimensionality target圆形小幅员目标
small circle gridle小圆环带
axis of small circle小圆直径
roundlet小圆
small isolation circle小隔离圈
small circle arc of sphere球面小圆弧
small half circle小半圆
spherical small circle球面小圆
small circle arc小圆弧
small circle of attention小注意圈