电空单车试验器使用前须对配件进行绝缘测试，测量车辆端头电空连接线各芯对地绝缘，要求不低于（）。 1MΩ。 2MΩ。 3MΩ。 4M&Omega。
A database administrator would like to examine repartitioning options for a partitioned database named PRODDB. A workload has been captured on the system (Windows) and is stored in a file named WORKLOAD.SQL. What is the proper command to run the Design Advisor so that it will evaluate the information stored in the file and give advice on re-partitioning?（） db2advis -d proddb -i workload.sql -P 。 db2advis -d proddb -i workload.sql -partitioning 。 db2advis -d proddb -i workload.sql -m P 。 db2advis -d proddb -i workload.sql -m ALL&e。
城市生态系统
Which of the following commands can be used to get the system ready to physically insert a PCI hot plug adaptor？（） mkdev。 cfmgr。 drslot。 lsslot。
安装螺栓法兰连接前，应先根据螺栓的（）、润滑状态、材质等估算其紧固力。 预紧力。 新旧程度。 特点。 所承载荷。
Which WSDL style is suited to sending binary tree nodes as part of a SOAP message？（）
