Some of the observer errors associated with timing over a measured length may be overcome by the use of the enoscope.

 
  • 觀(guān)測員在測定車(chē)輛通過(guò)已知距離的時(shí)間中所發(fā)生的誤差,可利用一種人形視車(chē)鏡加以消除。
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