NS-EN ISO 11690-3:1998
声学 包含机械的低噪声工作场所设计的推荐做法 第3部分:工作室中的声音传播和噪声预测 (ISO/TR 11690-3:1997)
Acoustics — Recommended practice for the design of low-noise workplaces containing machinery — Part 3: Sound propagation and noise prediction in workrooms (ISO/TR 11690-3:1997)