【单选题】There are several advantages in making computers as small as one can. Sometimes weight is particularly important. A modern aircraft, for example, carries quite a load of electronic apparatus. If it is...
A.
The increase of operation speed.
B.
The decrease of power needed.
C.
The development integrated circuits.
【单选题】以下哪一项不是合成ABS塑料的材料?()
【单选题】One use of networks is to let several computers share ______ such as file systems, printers, and tape drives.
【单选题】●One use of networks is to let several computers share (71) such as file systems,printers,and tape drives. (71)
【单选题】●One use of networks is to let several computers share (75) such as file systems,printers,and tape drives. (75)
【单选题】以下哪一项不是真符合的特点
C.
真符合必须来自一个湮没辐射产生的两个γ光子在符合时间窗内到达两个探头
D.
真符合必须来自一个湮没辐射产生的两个γ光子被对应的一对探头探测到