two-line or four-line measurement way 两线或四线测量方式
They are two main error sources of the bar diameter on-line measurement.
本文对热轧圆钢直径在线测量中的几个基本问题进行了较详细的研究。
The experiments , comparison and analysis for the three thickness measurement methods :two-beam diffraction method , contamination spot method and contamination line method were carried out.
前言： 对用电子显微镜测量薄膜厚度的三种方法：双束衍射法、污斑法、污线法进行了实验及比较分析。
It supports the addition of current measuring all of the two line internal measurement.
它支持除电流测量之外的所有两线内部测量。
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