This text has introduced the operation principle and the controlling skill of public address set in the report hall of the library.

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。

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Health officials, with support from WHO staff, have set up an emergency operations room to respond to the outbreak, investigate rumours, and address public concerns.

卫生官员已在世卫组织工作人员的支持下建立了一个紧急行动室以应对疫情暴发、调查传闻和处理公众关切。

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Health officials with support from who staff have set up an emergency operations room to respond to the outbreak investigate rumours and address public concerns.

卫生官员已在世卫组织工作人员的支持下建立了一个紧急行动室以应对疫情暴发、调查传闻和处理公众关切。

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Even the president Thabo Mbeki lashed out in a public address, saying that the team didn't understand what the youth of 1976 had set in motion, what they had achieved.

NPR: Obsessed with the Africa Cup Soccer Tourney

The Scottish government, keen to promote take-up of electric vehicles, has set up a body called E-cosse to address some of the issues facing public and private users.

BBC: Leading the charge on electric cars