标定结束后,对检测开关向加铅封,如检测开关铅封已破坏不必重新标定。
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臀中肌肌力()屈髋挛缩()先天性髋关节脱位()椎间盘突出()髋关节活动度检查()
A. 直腿抬高实验
B. Thomas试验
C. Trendelenburg试验
D. Ortolani试验
E. Patrick试验
在一元线性回归分析中,若相关系数为r,回归方程拟合程度最好的是()。
A. r=0.75
B. r=-0.97
C. R2=0.75
D. R2=0.90
Tiered disk systems (DS8700 and DS5020), tape backup and Cisco director(s) utilizing VSANs have been proposed as a solution. The storage specialist is asked to explain the technical advantage of using Cisco directors and VSANs. Which of the following is the key point to stress to the customer()
A. a single director and VSANs provides redundant fabrics at reasonable cost
B. prevent disk and tape traffic from sharing a host port
C. ease of implementation of Administrative Domains
D. ability to easily create a DS8700 LPAR to send data directly to tape
当烟气中含氧量在()%时为过氧燃烧。
A. 0.03
B. 0.005
C. 0.001