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- perceived noise level in dB 用分贝表示的可感杂音
- equivalent continuous perceived noise level 等效连续感觉噪声级
- effective perceived noise level EPNL 有效感觉噪声级
- weighted effective continuous perceived noise level 计权有效连续感觉噪声级
- weighted equivalent continuous perceived noise level 加权等效连续感觉噪声级, 计权等效连续感觉噪声级
- Noise levels in a 24 hour working environment, as occurs in fishing vessels, should not exceed 80 dB.But engine operators were found to be exposed to noise levels ranging between 88 dB and 108 dB. 渔船上24小时工作环境的噪音值不应超过80分贝，但是发动机操作工经常暴露在噪音为88分贝和108分贝之间。
- OSHA has quantified the noise level in industry which has become a major concern and consideration for many hydraulic controls manufacturers. 职业安全保健管理局规定的噪音水平已成为许多液压控制器制造厂商关注与考虑的主要问题了。
- The noise level in some discos is far above the usual safety level for heavy industrial areas. 一些迪斯科舞厅的噪音强度甚至远远超过重工业地区的一般安全标准。
- The noise level in driver cab is abnormal and there are objections of drivers in this regard and this defect is arised from unsealed closing of equipment rooms doors. 司机室噪音过大，工厂认为是符合标准的。（因为没有借到测噪声的比特仪，所以没有测量是否超过78分贝）
- The crack preferentially form in DB. 裂纹优先从形变带产生.
- By 2008,the noise level in urbanized areas will be reduced to meet the national standard and the electromagnetic radiation and radioactive environment will remain to be up to the national standard. 到2008年，城市建成区噪声基本达到国家标准，电磁辐射和放射性环境继续符合国家标准。
- By 2008, the noise level in urbanized areas will be reduced to meet the national standard and the electromagnetic radiation and radioactive environment will remain to be up to the national standard. 到2008年，城市建成区噪声基本达到国家标准，电磁辐射和放射性环境继续符合国家标准。
- Some streets are not level in the city. 城里有几条街道不平坦。
- High noise levels in laboratory animal facilities have been shown to adversely affect rodents. 在实验动物设施中高程度的噪音对于啮齿类有不利的影响。
- A report shall be produced to record the monitoring details and results, including the comparison between the measured noise levels and the predicted levels in the EIA report. 制备的报告须记录监察详情及结果，当中包括量度的噪音声级与环评报告所载的预测声级比较。
- perceived noise level 感觉噪声级
- Judged Perceived Noise Level 判定的感觉噪声级
- I finally found my own level in the business world. 我终于在生意场上找到了自己的位置
- effective perceived noise level 有效感觉噪声级
- The water level in some lakes may vary greatly. 某些湖泊的水位变动极大。
