室外测体温怎样才能保证准确？

冬春季气温较低，手持红外体温检测仪在使用之前应校准。在测量刚从室外进入室内的人员，或在室外使用时，建议测量衣服、围巾覆盖的部位，如手腕、脖子。

How to accurately measure the body temperature outdoors?

The temperature is low in winter and spring. Make sure the hand-held infrared thermometer is calibrated before use. When using the thermometer outdoors or using it to take the temperature of people who are just back from outside, point the thermometer at such body parts as the wrist or neck that are covered by the clothing or scarf.