... 核心环境指标体系 OECD Core set 教室环境指标 classroom environment index 总体经济环境指标 Macroeconomic Environment index ...
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Speech intelligibility is the most important evaluation index in classroom acoustics environment. It is the main purpose of the acoustical design to obtain good speech intelligibility.
语言可懂度是教室声听闻环境最主要的评价指标之一，获得良好的语言可懂度是教室声学设计的主要目的。
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