产品性能评估是指对体外诊断试剂（）和（）的评估。 ["准确性能；灵敏性能","分析性能；临床性能","临床性能；准确性能","灵敏性能；灵敏性能"]
Which of the following characteristics describe the Root Guard feature？（Choose all that apply.）（） ["The port must be put into forwarding state manually after root-inconsistent state has beencorrected","A Root Guard port receiving superior BPDU goes into a root-inconsistent state","A Root Guard port receiving inferior BPDU goes into a root-inconsistent state","While the port is in a root-inconsistent state no user data is sent across that port","The port returns to a forwarding state if inferior BPDUs stop","It should be applied to all switch port"]
所谓厂商技术性壁垒是指（） ["控制关键的投入品","独家拥有专用设备","有政府给予的产品专卖权","拥有极大的市场占有率"]
大气环流
心理异常
职工在上班期间必须坚持的“五个互相”的原则指的是什么？
