灰色模型预测至少要几个统计数据

简介：Zuo Liangyu, who was on the hospital bed, had always been in a daze, but suddenly, he was awakened by the noise outside the tent. Years of military service had made him develop the habit of alertness, which meant that he was ill, otherwise he would have been After waking up and listening carefully, he felt that the army seemed to be breaking out of camp.