功率控制可以解决远近效应,补偿衰落,提高(),增加()。
参考答案:通信质量;系统的容量
选词填空。
(1)老妇人就取出火柴来,很____(A.细心 B.耐心)地再把蜡烛点燃。
(2)他们小声地谈论着,似乎怕惊扰那____(A.严肃 B.肃穆)的空气。
(3)她一直舍不得用,____(A.保存 B.珍藏)到今天。
An architectural style defines as a family of such systems in terms of a(71) of structural organization. More specifically, an architectural style defines a vocabulary of(72) and connector types, and a set of(73)on how they can be combined. For many styles there may also exist one or more(74)that specify how to determine a system’s overall properties from the properties of its parts. Many of architectural styles have been developed over the years.The best-known examples of(75)architectures are programs written in the Unix shell.
A.event-based
B.object-oriented
C.pipe-and-filter
D.layered