?等距天顶投影

... zenithal equal-area projection 天顶等积投影 zenithal equidistant projection 等距天顶投影 zenithal projection 天顶投影; 方位投影 ...

[地理]?天顶等距投影

... zenithal equidistant projection 天顶等距投影... azimuthal equidistant projection 天顶等距投影,等距方... equidistant projection 等距投影 ...