n.圆锥投影面展开 conical projection: 圆锥投影; 锥顶射影; 锥形投影; 锥形折射conical surface: 圆锥面; 圆锥形面; 锥式曲面; 锥形面authalic conical projection: 等积圆锥投影conical equdistant projection: 等距圆锥投影conical equidistant projection: 等距圆锥投影下载手机词典可随时随地查词查翻译