文章从使用的角度介绍了图书馆报告厅主要扩声设备调音台、房间均衡器、功率放大器的工作原理和调控技巧。
This text has introduced the operation principle and the controlling skill of public address set in the report hall of the library.
阳光通过屋顶的几个窗户照进图书馆阅览区和报告厅，形成了轻松而诗意的室内环境。
The reading area of the library and the lecture hall are irradiated by sunlight coming through several roof windows; the result is a relaxed and poetic indoor environment.
阳光通过屋顶的几个窗户照进图书馆阅览区和报告厅，形成了轻松而诗意的室内环境。
The reading area of the library and the lecture hall are irradiated by sunlight coming through several roof windows; the result is a relaxed and poetic indoor environment.
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