AIM To study the technology and method of non-contact detection of breathing and heartbeat of human body.
目的研究人体呼吸、心率的非接触检测方法和技术。
Focus detection method is one of the primary non-contact measurement methods of surface topography.
聚焦探测法是表面形貌非接触测量中的主要方法之一。
Based on the method of non-contact pick-off detection of gear tooth, the detection system of a radial multi - gear flow was designed.
基于非接触式齿轮速度传感器检测原理，设计了一种径向多齿轮流量变送器测量系统。
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