[8]华长春，于彩霞。含有测量时延摄动的冷轧机厚控系统控制器设计[J]。机械工程学报，2014,50 (20)：46 - 53。
HUA Changchun, YU Caixia. Controller Design for Cold Rolling Mill HAGC System with Measurement Delay Perturbation [J]. Journal of Mechanical Engineering, 2014, 50 (20) : 46-53.
彩霞石，属土石类，发现于柳州部分地区土层中，质地稍软，因石纹红、色彩艳丽明快，酷似天上的彩霞而得名。
Rosy-cloud Stone is a type of earth and stone which is found under soft earth in Liuzhou. It is named because of its nice bright and rosy color.
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