结论汽车废气是使外勤警碳氧血红蛋白饱和度增高的主要因素，已对交通警察产生一定的健康影响。
Conclusion The automobile exhaust was a main factor resulting in higher levels of saturation of carboxyhemoglobin in exposure group and had a certain impact on traffic policemen's health.
根据血红蛋白和含氧血红蛋白的光谱特性，提出了一种监测动脉血氧饱和度的新系统。
According to the spectroscopic characteristics of haemoglobin and oxyhaemoglobin, this paper present a new system for monitoring the arterial oxygen saturation.
根据血红蛋白和含氧血红蛋白的光谱特性，提出了一种监测动脉血氧饱和度的新系统。
According to the spectroscopic characteristics of haemoglobin and oxyhaemoglobin, this paper present a new system for monitoring the arterial oxygen saturation.
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