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DX-2型电子血压计系用微音器检拾血管音,并经电子线路将声音转变为闪光,同时观察闪光和血压表的指示,即可判断被测者的收缩压和舒张压。
The DX-2 electronic sphygmomanometer picks up the vocal tone with a microphone and transforms the sound into a flash via an electronic circuit while observing the flash and the indication of the blood pressure gauge to determine the systolic and diastolic blood pressure of the subject.