因为2-3<0,
所以根据一个正数的绝对值是它的相反数得2-3的绝对值是3-2.
Communication networks can be classified in terms of their physical arrangement or (74) Three common (74) are the star, bus, and ting.
A.structures
B.topologies
C.protocols
D.frames
我国证券市场发展初期最常用的资金存取方式是( )。
A.证券营业部自办资金存取B.委托登记结算机构办理资金存取C.委托银行代理资金存取D.银证联网转账存取