规范声明 normative statement
典范之声 THE RR SOUND
声明范围 Scope Of A Declaration
可听声频率范围 audio-frequency range ; [声] Audio Range
噪声规范 noise regulation law
人声典范 The Vocal Paragon
动态全范围扬声器 Dynamic Full Range Stereo Speakers
声速范围 Sound speed stting Yange
声频范围 sound frequency range ; audio frequency range
迪卡之声示范天碟 THE DECCA sound sample
一声猫头鹰的哀鸣从漫涌而来的黑暗中浮出，范妮抓紧了妈妈的手。
A hoot owl's mournful cry floated out of the encroaching darkness and Fannie tightened her grip on her mother's hand.
妈妈的嗓音给了范妮安慰，可黑暗中，就在她们后面，脚步声更响了。
Fannie found comfort in her mother's voice, but in the darkness behind them, the steps rang louder.
当它被拖到受范区域时，一个附加的敲击声提示这种碰触。
When it is dragged over pliant areas, an additional percussive tap could indicate this collision.
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