ultrasonic wave fire detector

Current research and development trends of gas fire detector;

气体火灾探测器的研究与发展

Experimental study on the false alarms of smoke fire detectors by cooking fumes;

厨房油烟引起感烟火灾探测器误报实验研究

Discussion on the Setting of Fire Detectors in High Residential Buildings;

高层住宅建筑火灾探测器设置的探讨

Evaluation of fire detectors performance;

火灾探测器工程适应性综合评估方法构想

A new method for fire detectors spacing determination;

确定火灾探测器布置间距的新方法

In allusion to special application, a synthetic evaluation platform for fire detection is built up which can simulate the real circumstance of fire detectors explored.

建筑的多功能、多用途使火灾探测器的应用环境变得日趋复杂,对产品的综合性能提出了更高的要求。

We have Infrared Image and Ultrasonic detection machine, which promised the danger in time.

公司拥有红外热成像仪、超声波探测器等先进的仪器设备，能及时发现消防隐患。

midget ultrasonic fish finder

小型超声波鱼群探测器

non-metal ultrasonic detector

非金属超声波探测仪

An Ultrasonic Intruder Detection Method Based on Echo Envelope

基于回波包络的超声波入侵探测方法

Doppler ultrasonic blood pressure monitor

多普勒超声波血压监测器

Development of the Portable Digital Ultrasonic Testing Device;

便携式数字化超声波检测仪器的研究

Design of Ultrasonic Range Finder Based on AT89C52;

基于AT89C52单片机的超声波测距器设计

Ultrasonic Detection Module for Robot Based on ARM

基于ARM的机器人超声波测距模块

The research on the testing technology of ultrasonic sensors

用单片微机测试超声波传感器的性能

Study on the Ultrasonic Ranging System in the Blind-guiding Robot

导盲机器人中超声波测距系统的研究

The Barrier Detection System Based on Technology of Ultrasound Locating;

基于超声波定位技术的障碍探测系统

Studies on internal fissures and fractures of stone sculptures by ultrasonic techniques;

乾陵石刻内部裂隙的超声波探测研究

Application of Survey Technology of Ultrasonic Wave CT in Karst Project

超声波CT探测技术在工程岩溶探测中的应用

ultrasonic generator

超声波振荡器超声波发生器

Experimental study on measuring sound velocity and distance using ultrasonic sensor

超声波传感器测量声速和距离实验的研究

noiseless ultrasonic washer

无噪声超声波清洗器

In computer security, the use of ultrasonic, microwave, infrared orphoto- electric sensors to protecta defined area.

计算机安全学中，使用超声波、微波、红外线或光电探测器来保护某一区域。

Combination ultrasonic and passive infrared intrusion detector

GB10408.7-1996超声和被动红外复合入侵探测器