这种测量方法的特点在于采用红外光信号，它一方面作为参考变量进行同步测量，另一方面还作为传输数据的通道。

The point of this measurement was making use of infrared signal, on one hand which was the reference variable, on the other hand which was the channel for the data.

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这种测量方法的特点在于采用红外光信号，它一方面作为参考变量进行同步测量，另一方面还作为传输数据的通道。

The point of this measurement was making use of infrared signal, on one hand which was the reference variable, on the other hand which was the channel for the data.

youdao