Typically, 60-tooth, 16 - pitch gears provide the optimum characteristics for RPM measurement, but other gear types can serve special application needs.
通常情况下，60齿，16-沥青齿轮转速的测量提供了最佳的特点，但其他类型渔具，可以为特殊应用的需要。
Because the measurement standard of grating system is grating pitch, compared to usual interferometer, diffractive grating, system reduces environment influence on measurement accuracy.
由于光栅干涉测量系统以光栅栅距作为测量基准，相对于传统干涉仪，光栅尺系统受环境因素造成的测量误差影响较小。
A simple, easy to use, correct and reliable for measurement of single pitch diameter of inner thread is provided.
提供了一种简便易行、准确可靠的测量内螺纹单一中径的手段。
The errors of the stand-off measurement and measurement errors made by pitch diameter gauge and ovality gauge are analyzed and compared.
分析比较了紧密距测量以及中径和椭圆度量规测量的误差。
The pitch control is attained by the measurement of the pitch angle.
针对俯仰回路，利用测量的俯仰角实现了俯仰回路姿态控制；
The effects on straightness measurement are analyzed for the cube-corner retroreflector with angle errors, surface errors, yaw, pitch and roll.
分析了角锥棱镜的制造角差、面形误差和测量过程中角锥棱镜的偏摆、俯仰、滚转对直线度测量的影响。
The software has a good operation interface. it achieved automatic measurement, automatic analysis, automatic precision acceptance for screw pitch.
该软件具有良好的人机操作界面，实现了丝杠的自动测量、自动分析、自动精度验收评定。
The equations for thread taper, thread pitch, thread angle and height of thread can be derived on the base of fitted lines, which are accurate enough to meet the needs of industrial measurement.
该方法可测量螺纹的锥度、螺距、螺纹夹角和螺纹高度，测量精度可以满足工业测量要求。
When measuring flatness error in close way by pitch, usually the uncertainty of measurement result is independently estimated according to pitch points.
本文通过实例分析，指出用封闭法测平面度误差时，测量结果不确定度应该按相关计算法求得。
Some methods of rheological measurement of pitch were introduced.
介绍了几种沥青流变性的表征方法。
Some methods of rheological measurement of pitch were introduced.
介绍了几种沥青流变性的表征方法。
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