灰色模型预测至少要几个统计数据简介:Jin Qianlei said: We are comrades-in-arms, but just like mortal cavalry! A knight and his horse are the best comrades, but one day his horse died in battle. The knight had no reinforcements, no food and grass, no food, and was hungry and cold.
Jin Qianlei said: We are comrades-in-arms, but just like mortal cavalry! A knight and his horse are the best comrades, but one day his horse died in battle. The knight had no reinforcements, no food and grass, no food, and was hungry and cold.