shè / jì / shī / yòng / qióng / xíng / jié / gòu / zēng / qiáng / le / dà / tīng / de / cǎi / guāng / hé / shēng / xué / xiào / guǒ / 。设计师用穹形结构增强了大厅的采光和声学效果。The designer used an arched structure to improve the hall's lighting and acoustics.