同軸圓弧 tóng zhóu yuán hú

DEFINITIONS

  1. coaxial circular arc
  2. concentric arc (in spherical geometry)

CHARACTERS

同 tóng
HSK 1
same, similar; together with
軸 zhóu axle, axletree; pivot; axis
圓 yuán circle; round, circular; complete
弧 hú wooden bow; arc, crescent