方法应用压力传感器检测系统，检测并记录旋转手法作用时出现咔哒声响时术者拇指推扳颈、腰椎棘突的最大推扳力。
Methods The largest force of thumb to against the spinous process of cervical and lumbar vertebra were tested and recorded with a pressure sensor testing system.
本实用新型涉及一种地震报警器，由电源电路、震动传感器、报警延时控制电路和声响报警电路连接构成。
The utility model relates to an earthquake alarm which is formed by the connection of a power circuit, a vibration sensor, an alarm delay control circuit and a sound alarm circuit.
探测污泥层时，将传感器环转着降下沉积槽中，一旦传感器接触到了污泥层，可听见的声响会变调，并且LED会立即点亮。
The sludge blanket is detected by winding the sensor down into the tank, the audible tone will change and the LED illuminates once the sensor has reached the blanket.
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