定义
寺院大殿两厢的建筑，莫高窟盛唐第172、148窟，中唐第158、159窟、晚唐第85窟、五代第61窟的无量寿经变及药师经变中均有此种建筑图像。
Buildings on the two wings of the grand hall in a temple. In Mogo Grottoes, they are depicted in the Infinite Life Sutra Paintings and the Medicine Buddha Sutra Paintings in Cave 172 and Cave 148 of the High Tang Dynasty, Cave 158 and Cave 159 of the mid Tang Period, Cave 85 of the late Tang Dynasty and Cave 61 of the Five Dynasties.