血液的压力，并不难的措施，但必要的设备，为临床精确测量-袖口，泵，听诊器或电子-是体积大而沉重。
Blood pressure is not hard to measure, but the necessary equipment for clinically accurate measurements - a cuff, a pump, and stethoscope or electronics - is bulky and heavy.
本文介绍一种利用柴油机高压泵喷油管壁上的压力波脉冲信号，来测量柴油机转速的新方法。
The paper introduces a new rotating speed measuring method for diesel engine utilizing pressure pulse signal on the tube wall of high pressure fuel injection system of diesel engine.
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