( )是按照经济业务发生或完成时间的先后顺序逐日逐笔进行登记的账簿。
A. 总账账薄
B. 序时账簿
C. 分类薄
D. 明细账簿
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作为使用2.4G频率范围的802.11b/g协议,在地区码为CN时可使用的最大信道数量是( B )。
A. 14
B. 13
C. 12
D. 11
()是一种移动通信硬件架构,把无线网络设备覆盖的无线服务区域,部署成一个个正六边形的小区域,每个小区设一台无线接入点AP,形成了形状酷似“蜂窝”的结构,如图所示称为蜂窝W无线覆盖方式。
The ______conference which I attend every year is going to be held in London in January next year.
A. substantial
B. annual
C. apparent
According to the terms of your , you must give three months' notice if you intend to leave this company.
A. contract
B. distinction
C. amateur