The amplitude of a received scattering signal depends on the position of the scattering particle in the measurement volume, as well as the dimensions and shape of the particle.
被测颗粒的散射信号幅度与它在探测区中的位置、颗粒尺寸和形状有关。
It can be used for measuring dimensions and shape errors as well as relative position errors.
它不仅能用于测量尺寸误差、形状误差，而且还可以测量相互位置误差。
To measure pinpoint accuracy dimensions and shape; position errors by comparative method , also can be used as indicators of pinpoint measuring apparatus.
用于比较测量高精度长度尺寸和形位公差，也可作为高精度测量仪器的指示表。
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