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- hum level meter 哼声电平测试仪
- Model UL Moving-Resist Level Meter. UL型阻移式物位计。
- Peak Level Meter: Allows you to examine the peak input level for each channel. 山顶液位计:让您检查输入的高峰水平,为每一个通道。
- CLW ultrasonic material level meter can control material height without touching material. CLW超声波料位器，可以无接触控制铺料高低。
- The working principle, features and installation of radar level meter are introduced. 介绍了雷达液位计的工作原理、特点和安装注意事项。
- As the existent system is renewed by use of DSW-01 water level meter and related techniques,thus it is running normally now. 用DSW-01型精密数字水位仪及相关技术对原系统进行了更新改造,从而保证了该系统的正常运行。
- 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.
- CLW material level meter will never be worn out and will not be seized also.In addition, the mounting height is not limited by pendulum bar length. 从某种意义上讲CLW料位器永不磨损，也不可能卡死，另外安装高度也不受摆杆长短的限制。
- 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。
- The overall construction of the virtual Sound Level Meter(SLM),the composition of its software system and the division of the components are int. 心电信息管理系统与虚拟式心电图仪结合 ,使其成为该仪器的一个组成部分 ,不仅提高了它的使用价值 ,也增强了仪器的功能。
- FAST:The time response of 125 milliseconds specified in sound level meter standards, used to more accurately follow rapidly fluctuating signals. 快：反应时间125毫秒指明声级计标准，使用更多准确地贯彻急剧波动信号。
- This paper introduces the level meter selection procedure in Hangzhou Refinery,aswell as the application of steel belt level meter. 介绍了杭州炼油厂液位仪表的选择,以及钢带液位计的应用情况。
- The base structure and definition for machinery installation,as well as how to flexibly using the central line,parallel line,plumb line and level meter in practice are introduced. 介绍了设备安装基础的构成和确定,以及设备安装中“三线一平”(中心线、平行线、铅垂线和水平面)基本原理的活用;
- In the stage that the material level meter is not yet repaired,overflow of materials frequently happens,which affects feeding work and the local environment. 在料位计尚未修复阶段,天车对位下料的过程中常常出现冒料问题,影响天车加料作业和现场环境。
- Hum the opening bars of your favourite tune. 哼一哼你喜爱的曲子的开头几个小节。
- Based on the alignment measurements such as level meter,gradienter and laser collimator, the instructional software for straightness measuring and evaluating is developed. 结合水平仪、自准直仪、激光准直仪等测量仪器开发了直线度误差实验教学软件。
- She continued to hum the song over and over. 她一遍又一遍地不断哼唱那支歌。
- A sound level meter measures sound pressure level.It has several frequency-weighted decibel (dB) scales (A, B, C) to cover different portions of the range of measured loudness. 声级表是用来测量声压级别的，它根据声音的频率分为几个分贝级（A, B, C）。
- He could hear the hum of the bees in the garden. 他听得见花园里蜜蜂的嗡嗡声。
- The only sound he heard was the hum of the machine. 他听到的唯一的声音就是那台机器的嗡嗡声。
