目前气体传感器主要是采用无机半导体法，它存在着方法复杂、成本高、精度低等问题；

At present, the main methods adopted are inorganic way, it exists such problems as technique complex, high cost, low precision etc.

youdao

目前气体传感器主要是采用无机半导体法，它存在着方法复杂、成本高、精度低等问题；

At present, the main methods adopted are inorganic way, it exists such problems as technique complex, high cost, low precision etc.

youdao