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2013-05-23 12:21
求翻译：In recent years, sound systems for touring and for fixed installations have undergone a rapid evolution from large, heavy point-source clusters to ever-smaller linear arrays. Along with advances in technology permitting more compact systems to develop higher sound pressure levels and with better controlled directivity,是什么意思？ 待解决
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In recent years, sound systems for touring and for fixed installations have undergone a rapid evolution from large, heavy point-source clusters to ever-smaller linear arrays. Along with advances in technology permitting more compact systems to develop higher sound pressure levels and with better controlled directivity,
问题补充： |
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