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- sound level measurement instrument 声级测量仪器
- Level measurement to the accurate spare part. 对精密零部件的平行、平面测量。
- For continuous monitoring of noise, sound level monitors are installed on site for round-the-clock measurement. 为了不断监察噪音水平,数码港地盘内会装设音量监测器,廿四小时进行测量。
- Liquid level gauges shall be used for local level measurement. 液体液位计应用于现场液位测量。
- Normalizes sound levels of DVD. 6. 标准化 DVD 的声音等级。
- Noise and Vibration Level Measuring of Lin. 交通噪音、振动及车流量测定。
- If the volume level is too high, the speaker protection circuit activates, and the sound level drops suddenly. 如果音量电平太高,扬声器保护电路即起作用而突然地减小声音。
- Risk for hearing damage depends on sound level and exposure time," a statement said. 一项报告表示,听力损害的风险取决于音量和暴露时间。
- There are always lots of scattered stations needed to be measurement during the process of penstock level measurement. 摘要水渠水位测量具有测点多而分散的特点;
- Added a new 'Sound Levels' option under sound options. 在声效选项里增加了新的声音等级选项。
- And LA90,5 min level measured during class is 50.5 dB(A). 课堂上实测室内的LA90;5 min达到50.;5 dB(A)
- Place the purchase order and follow up the implementation of the P/O. Keep the inventory at the sound level. 签发采购订单,跟踪订单的执行,将库存控制在合理的水平。
- The method of level measurement based on digital image processing technology and its application in automatic pouring production line are introduced. 介绍一种基于数字图象处理技术的液位测量方法及其在自动浇注生产线中的应用。
- The wireless technology used in capacitance tank level measurement Ian avoid the influence of the distributed capacitance of tr... 使用无线接入技术可以克服电缆分布电容的影响,实现无缆传输,使测量准确可靠。
- Adopts step wave method to measure the timeaverage sound level(equivalent continuous sound level) of the sound level meter. 采用阶梯波法;测试了声级计的时间平均声级;即等效连续声级Leq功能;并对实测值和理论值进行比较.
- The research results indicate that the compressor sound quality is mainly affected by A-weighted sound level loudness and sharpness. 研究结果表明,压缩机噪声声品质主要受A声级、响度和尖锐度的共同影响。
- It provides sound normalization that normalizes sound levels of DVD. 它提供了良好的正常化,即逐步恢复正常,健全各级的DVD 。
- Wide applicability: have many kinds of structure form, installation mode and structure material, and suit to various industrial field liquid level measurement. 适用性广:具有多种结构形式,多种安装方式,多种结构材料,适合各种工业现场液位测量。
- The experimental result shows that the method achieves high precision in ultrasonic liquid level measurement and solves the contradiction of coherence and precision. 实验表明,采用该方式在液介式超声波液位测量装置上实现了高精度液位测量,测量量程为1 500mm时绝对误差小于±1mm,解决了仪器一致性和测量精度之间的矛盾。
- SLOW:The time response of 1 second specified in sound level meter standards, used to facilitate visual averaging of relatively steady signals. 缓慢:反应的时间一秒指明声级计标准,用于促进视觉平均的相对稳定的信号。