This method have good correctness, high sensitivity and low interference.
方法准确性好。灵敏度高、干扰少。
The invention has simple structure, high sensitivity and strong interference resistance.
本发明结构简单，灵敏度高、抗干扰能力强。
The invention has simple structure, high sensitivity and strong interference resistance.
本发明结构简单，灵敏度高、抗干扰能力强。
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