The visible spectra of chromium in ferro-alloy were analyzed by digital automatic analysis system.

使用可见光谱数字化自动分析系统对铁基合金中铬元素可见光谱进行了分析测定。

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First, based on the analysis of the original analog design, the author has participated in the improving of this hydraulic automatic gauge control system from analog control to digital control.

首先，在分析原模拟厚度控制系统的基础上，作者参与了该系统从模拟闭环控制到数字闭环控制的改造。

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