分类统计

There are four parts presented in this paper. In the first part, the B.F ironmaking process, B.F Expert System and the methods to predict the silicon content in molten iron are introduced. In the second part, the control parameters and state parameters of B.F ironmaking process are analyzed. In the third part, the Statistical Learning Theory and Support Vector Machine are introduced.

论文主要包括以下四个方面的内容：高炉炼铁、高炉专家系统和炉温预测的概述；高炉冶炼过程状态参数和控制参数的分析；统计学习理论和支持向量机方法；基于支持向量机的铁水硅含量数值预报模型和铁水硅含量多类别分类模型。

"Fifteen years ago there were only 1,000 people on Provo; today the unofficial number is more than 30,000," said one of 522 experts in sustainable tourism who helped determine ranking of 111 islands for Traveler magazine.

一位专家说道：&五十年前普罗伏人口只有1千；而今据非官方数据统计，已经超过了3万人。&来源：看EDU-大学英语四级考试信息分类网

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。