最近,美国研制成功了一种用电话线路传送血压、脉搏、体温数据和图形的仪器,在传送的同时,医生和病人之间还可以交谈有关疾病的问题。过去,一条电话线路只能传送心电图的信号,现在,通过患者身上安置的传感器,可以传送此心电图的 Recently, the United States has successfully developed an instrument for transmitting blood pressure, pulse rate, temperature data and graphics over the telephone lines. At the same time, the doctor and the patient can also talk about the disease while transmitting. In the past, a telephone line could only send the ECG signal, which is now transmitted by a sensor placed on the patient’s body