关于下肢深静脉血栓形成患者的护理错误的是() ["下肢制动避免血栓脱落","避免患肢静脉输液","抬高患肢","每天测量下肢围度","观察足背动脉搏动"]
In which three network technologies is traffic shaping used to prevent and manage congestion?() ["Asynchronous Transfer Mode (ATM)","data-link switching (DLSw)","Route Processor Redundancy (RPR)","Frame Relay (FR) ","Metro Ethernet","Multiprotocol Label Switching (MPLS)"]
科学计量法
和精算现值公式无关的符号有() ["tPd<\/sup>x","d","t","SD"]
秦始皇推行“书同文”字,作为官方通用文字的是()。 ["金文","大篆","小篆","隶书"]
文献计量法