hemispherical projection meaning in English

半球投影

The space theatre is actually a hemispherical projection dome with a diameter of 23 metres , which presents both local and foreign omnimax films
天象厅内设有直径达23米的半球型银幕，定期播放本地及外国的全天域电影。
Inside the stanley ho space theatre , there is a hemispherical projection dome with a diameter of 23 metres . boasting the first omnimax film projector in the eastern hemisphere , hong kong space museum was also the first planetarium in the world to possess a fully automated control system at its stanley ho space theatre
何鸿?天象厅装设有直径达23米的半球型银幕，除了设有东半球第一座全天域电影放映设备外，更是世界上第一座拥有全自动天象节目控制系统的天文博物馆。