The event timer has been researched for many years abroad, but the related research about SLR in our country is rare.
国外对事件计时器的研究已有不短的时间，目前国内激光测距领域对事件计时器的研究较少。
With Picosecond Event Timer and other techniques measuring the differential time of flight, the accuracy of the atmospheric delay could achieve millimeter level.
采用皮秒级事件计时器等技术测量往返时间差，修正精度可以达到毫米量级。
With Picosecond Event Timer and other techniques measuring the differential time of flight, the accuracy of the atmospheric delay could achieve millimeter level.
采用皮秒级事件计时器等技术测量往返时间差，修正精度可以达到毫米量级。
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