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用器械检查人体各个系统的方法已极为普及,其中特别广泛应用的是远距法,它通过传送器不与被检查者身体相毗连。远距温度测量法就是其中的一种,此法藉助于一种特殊光学系统可以记录出人体红外线辐射,并把它变为电信号描记在一种电化学纸上,或者通过光电管反映在银幕上,这时所获得的图象就是被检查人身体部位的温度区,从而得到皮肤上和器官内所产生的局部解剖和功能改变的情报。
Methods of examining various systems of the human body with instruments have become extremely popular, of which telemetry is particularly widespread and which is not connected to the body of the subject by means of a transmitter. Remote temperature measurement is one of them, this method by means of a special optical system can record the human body infrared radiation, and put it into electrical signals traced on an electrochemical paper, or through the photocell reflected in the screen , The image obtained at this time is the temperature region of the body part of the examinee, so as to obtain information on the local anatomy and function changes produced in the skin and in the organs.