起搏器就是基于无线系统维持稳定心跳，超声波与X -光都用到了无线技术。
Pacemakers rely on a basic wireless system to set a stable heartbeat. Ultrasound and X-ray technologies are wireless.
设计数字滤波器并利用传统的心电分析算法来标定心电波形的特征点。
Designing digital filter and demarcating the feature points of ECG wave with the traditional ECG analysis algorithm.
单活塞浮动卡钳盘式制动器是自定心和自我调节。
The single - piston floating - caliper disc brake is self - centering and self - adjusting.
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