预提指挥士官训练时间为三个月,其中军事训练时间不得少于48天,336小时。
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Given the output of the Floor3 switch, what statement describes the operation of this switch()。
A. VTP is disabled on this switch.
B. The switch can create, change, and delete VLANs.
C. The switch learns VLAN information but does not save it to NVRA
D. The switch can create VLANs locally but will not forward this information to other switches.
E. The switch learns VLAN information and updates the local VLAN data base in NVRA
经A.882(21)号决议修正的《港口国监督程序》由6章正文和()个附录构成。
A. 3
B. 5
C. 6
D. 9
用100mL容量瓶配制溶液,当液面凹位与刻度线相切时,其体积应记录为()。
A. 100mL
B. 100.0mL
C. 100.00mL
D. 100.000mL
双面8色灯LED机车信号显示器内部有冗余措施来防止单点故障而造成的()。