经典的管理模式并未解决管理者在计划,决定事物和控制他人工作时的确切行为。
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In the name of _________, people resort to all these means.
According to the author, American is perhaps the ____________ nation in the history of civilization with all this "security".
When we recall this era, the legacy we remember best is that we may have locked the evils out, but in doing so we have _____________.
以下属于数据链路层的设备是()
A. 中继器
B. 交换机
C. 路由器
D. 网关