flat-surface sensor

例句：

1. 1.This sensor is used to detect the presence of a specific chemical in the air.
   这个传感器用于检测空气中特定化学物质的存在。
2. 2. The flat-surface sensor was designed to be easily mounted on various surfaces.
   这种平面表面传感器被设计成易于安装在各种表面上。
3. 3. The flat-surface sensor has been found to have high sensitivity and accuracy in detecting small changes in temperature.
   这种平面表面传感器被发现在检测温度微小变化时具有高灵敏度和准确性。