The effect of new and old editions of the involved national standard on the automatic oil delivering system of volumetric type widely used in China is discussed through an error analysis.
就我国大量应用的体积流量法自动发油系统，通过对新旧国家标准的误差分析，探讨新国家标准的颁布对自动发油系统计量的影响。
The analysis is given in detail about the influence of several parameters of the surface error of optical elements including magnitude, type, scale size and distribution on the beam quality.
定量分析了了光学面形误差各参数(幅度、类型、空间尺度和空间分布等)对光束质量的影响。
The measurement method of eccentricity for thick and short stick-type component and its error analysis are explained.
说明了偏心位置的测量方法及其误差分析。
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