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equal precision measuring
相关语句
  等精度测量
     Another is applyed "Equal precision measuring system".
     另一种方法是采用“等精度测量系统”。
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  “equal precision measuring”译为未确定词的双语例句
     The Applicstion of Equal Precision Measuring Frequency Method in Speed and Revolution Measure and Display System
     等精度测频法在转速转数测量显示系统中的应用
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Two methods are discussed which can be used to decrease or eliminate focussing error in the process of measuriment in this paper. One is employed "Micrometrie collimating system", that is, a collimating system is used to sight, and an afo(?)ussing system is used as reflector. Another is applyed "Equal precision measuring system". An afucussing system is also used here, so that the magnifying power and aperture angle (and sighting precision, image illuminance) of distant measuring point are...

Two methods are discussed which can be used to decrease or eliminate focussing error in the process of measuriment in this paper. One is employed "Micrometrie collimating system", that is, a collimating system is used to sight, and an afo(?)ussing system is used as reflector. Another is applyed "Equal precision measuring system". An afucussing system is also used here, so that the magnifying power and aperture angle (and sighting precision, image illuminance) of distant measuring point are equal to that of near measuring point. "The former is made, the designing accuracy is 2μ/m. The latter has been manufactured. Through determination and in comparison with Chinese and foreigh similar instruments, it is proved that its accuracy is 1.5μ/m. These results are five to ten times as high as accuracy of internal focussing system.

本文讨论了减少或消除测量过程中调焦误差的两种方法。一种方法是采用“测微准直系统”,即用一个准直系统瞄准,用一个无焦系统作反射器。另一种方法是采用“等精度测量系统”。这里也使用了无焦系统,使远、近测试点有相同的倍率,孔经角(以及相同的瞄准精度和象面照度)。前者正在研制过程中,设计精度为2μ/m。后者已经制成仪器,经签定及与国内外相类似的仪器比较,证明其精度为1.5μ/m。这些成果均较内调焦式系统的精度高半个至一个数量级。

The principle of equal precision measuring frequency wayis introduced ,then uses it in speed and revolution numerical measuring and displaying of fatigue experimental machine.Througcomparing it measure frequency way and measure cycle way, equalprecision measuring frequency ways advantge is obtained.

介绍了等精度测频法的原理,并应用该原理对疲劳试验机电机转速转数进行了数字化测量及显示,通过与测周法比较,得出了这种原理的优越性。

 
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