| 释义 |
等高圈【测】circle of equal altitude等高圈n.almucantar【天】地平纬圈，等高圈等高圈almucantar altitude circle; circle of equal altitude等高圈circle of position (circle of equal altitude)等高圈circle of position, circle of equal altitude等高圈circle of equal altitude双向☞地平纬圈--等高圈双向☞等高圈--地平 |