机车牵引力的传递过程为:()→车架→牵引梁→缓冲器→从板→尾销→车钩。
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研究性学习是指学生独自在研究过程中获取知识、应用知识、解决问题的学习活动。
A. 正确
B. 错误
根据《深圳经济特区道路交通安全违法行为处罚条例》规定,对重、中型载货汽车载货超过核定载质量的,不得扣留机动车。
A. 正确
B. 错误
You work as a database administrator at Certkiller .com. In your production database, you observe that users’ transactions are consuming a lot of resource and you plan to impose resource restrictions by using Resource Manager. For which three resources can you enable usage restrictions by using Resource Manager? ()
A. CPU usage
B. degree of parallelism
C. number of open cursors
D. number of sorts performed
E. idle time for blocking sessions
F. number of disk I/O operations performed
G. number of memory I/O operations performed