Jim and his father went traveling*during*the summer vacation.They had a good time.Now they’re on a train going back hom......

A study on the production of low phosphorus steel by double slag operation in 210 t converter was carried out. A phospho......

中国与西方哲学文化传统的差异决定了两种不同的宽恕传统.从根本上说,这种差异来自对宗教不同的态度.宗教观的不同决定了宽恕态度......

Deoxys-BC算法是一种采用可调分组密码体系的类AES分组密码算法。采用中间相错方法寻找到Deoxys-BC算法的4轮不可能差分区分器。利......