noise pollution level instrument是什么意思

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用法例句

Finally, the internal and external noise measuring instrument trend of development is discussed.

噪声测量仪已由一般的声级计发展到噪声实时分析仪。

Hazards and control on urban noise pollution;

城市噪声污染的危害与控制

Assessment of Kaifeng City noise pollution and the prevent & control methods in the summer;

开封城市夏季噪声污染评价及防治

Analysis of noise pollution characters of morning market in Beijing City.;

北京市早市的噪声污染特点分析

Noise Instrument Reconstructed by Vibration Instrument S0910 for Rolling Bearings

S0910型滚动轴承振动测量仪改造的噪声测量仪

Evaluate the measuring sensitivity of various phase noise measuring instrument

各种相位噪声测量仪测量灵敏度的评估

The Environment Electromagnetic Noise Test and Instrument Design Based on the Surface Nuclear Magnetic Resonance Instrument for Groundwater Investigation;

基于核磁共振找水仪的环境电磁噪声测量仪的设计与实现

noise figure measuring set for microwave equipment

微波噪声指数测量仪

transistor low-frequency noise-meter

晶体管低频噪声测试仪

The measurements of repressing the electromagnetic noise around the BES

北京谱仪附近空间电磁噪声测量和抑制工作

Attention Paid to Measuring Phase Noise When Using Signal Analyzer Beijng Institute of Radio Metrology &Measurement

信号源分析仪测量相位噪声的注意事项

DResearch on Measuring Ball Mill Loads Apparatus Based on Analyzing Noises Frequent Bands

基于噪声频谱的磨煤机负荷测量仪研究

Improvement of Noise Testing Software Based on Virtual Instrumentation and Development of Electrical Parameter Testing System;

电噪声虚拟仪器测量软件的改进与电参数测试系统研制

Measurement System of Tractor s Noise Identification and Failure Diagnosis Based on Virtual Instrument;

基于虚拟仪器的拖拉机噪声识别与故障诊断的测量系统

Code for measurement of noise in industrial enterprises

工业企业噪声测量规范

A Noise Testing System Used for Engine Based on Virtual Instrument;

基于虚拟仪器的发动机噪声测试系统

Design of the Measurement and Analysis Instrument for Real-time Road/Tread Pattern Noise;

道路/轮胎噪声实时检测分析仪的研制

The Implementation Of Phase Noise Measurement Using a Spectrum Analyzer

直接频谱仪法在相位噪声测试中应用

Principle Study on Noise Source Direction-Finding with Phase Interferometer

相位干涉仪对噪声源测向的原理研究

Design of Portable and Low Noise ECG Monitor

一种低噪声便携式的心电监测仪设计

Design of Environmental Noise Measuring Instrument Based on Virtual Instrumentation Technology

基于虚拟仪器技术的环境噪声监测仪的设计

The Development of Gear's Noise Testing System based on Virtual Instruments

基于虚拟仪器技术的齿轮噪声监测仪的开发