关于OptiXBWS320G系统使用的波长频率范围的说法错误的是（） ["32通道系统使用波长范围为1535.82～1560.61nm","16通道系统优先使用蓝带波长","32通道系统的波长间隔约为0.8nm","32通道系统使用频率范围为192.1～195.2THz"]
在班级管理中，不论是工作目标、任务的确定，还是教育方法的采用，都必须以（）为前提。 ["调查研究","组织号召","组织推动","制度规范"]
作仆人的要用什么心听从肉身的主人？
Which of the following statements are true regarding bridges and switches?（） [" Switches are primarily software based while bridges are hardware based."," Both bridges and switches forward Layer 2 broadcasts."," Bridges are frequently faster than switches."," Switches have a higher number of ports than most bridges."," Bridges define broadcast domains while switches define collision domains."," Both bridges and switches make forwarding decisions based on Layer 2 addresses."]
衡量资金时间价值大小有两个尺度，即（）和（）。
礁在地震剖面上的特点。
