从空载到满载，变压器的磁滞损耗和涡流损耗是基本上不变的。
参考答案：对
用于办理存款人日常经营活动的资金收付及其工资、奖金等现金支取的银行账户是( )。
A．一般存款账户
B．基本存款账户
C．临时存款账户
D．专用存款账户
The（）has several major components, including the system kernel,a memory management system, the file system manager, device drivers, and the system libraries.
A．application
B．information system
C．network
D．operating system
