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【单选题】
右侧的投影面,叫侧立投影面,用字母( )表示
A.
H
B.
C
C.
W
D.
V
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参考答案:
举一反三
【简答题】寄存器中,一个触发器可以存放( ) 位二进制代码,要存放 N 位二进制代码,就要有( ) 个触发器。
【简答题】寄存器中,一个触发器可以存放 位二进制代码,要存放N位二进制代码,就要有 个触发器。
【多选题】分组交换网是数据通信的基础网,提供的主要业务功能分为基本功能、用户任选业务功能和增值业务功能。下列属于基本业务的有()。
A.
交换型虚电路
B.
永久型虚电路
C.
呼叫封阻
D.
虚拟专网
【简答题】寄存器中,一个触发器可以存放()位二进制代码,要存放n位二进制代码,就要有()个触发器。
【单选题】How did the Great Recession of 2007 affect the U.S. economy?
A.
GDP declined, employment fell, unemployment rose, and housing prices declined.
B.
GDP increased, employment fell, unemployment rose, and housing prices increased.
C.
GDP declined, employment rose, unemployment fell, and housing prices increased.
【简答题】分组交换属于基于呼叫___________的流量控制。
【单选题】U.S. GNP
A.
includes production of foreigners working in the U.S. and production of U.S. citizens working in foreign countries
B.
includes production of foreigners working in the U.S. but excludes production of U.S. citizens working in foreign countries.
C.
excludes production of foreigners working in the U.S. but includes production by U.S. citizens working in foreign countries.
D.
excludes production of foreigners working in the U.S. and production by U.S. citizens working in foreign countries.
【简答题】下一代网络实现了(1)功能与(2)能力、呼叫/会晤与应用/ (3)的双分离,网络结构层次化,各层次之间的协议接口逐渐标准化,并对外开放,从而使网络的能力从目前的封闭结构转向开放结构,下一代网络应具有的特征包括采用分层的体系结构,属于 (4)驱动型的网络,基于(5)交换技术,能够融合(6)网络。 可选项: A.交换 B.控制 C.接入 D.承载 E. 技术 F. 服务 G. 复用 H. 终端 I. ...
【单选题】U.S. Population Present Situations of U.S. Population The U.S.—the most populous of today's developed countries—bas one of the highest population growth rates of the industrialized nations: about one ...
A.
Y
B.
N
C.
NG
【简答题】How did the global financial cr that began in the U.S. in 2007 affect countries in Europe?
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