运算器中的寄存器用于存储参加运算的各类数据以及运算后的结果。
参考答案：对
若（x+1）（2x-3）=2x2+mx+n，则m=______，n=______．
The necessity of the segregation of cargoes is determined by（）.
A.experience from practice
B.various types of cargoes
C.different types of ships
D.personal abilities
