A recent power outage disrupted customer operations in one of the two campus centers. Thecustomer has already started to develop a strategy for consolidation of the data centers andremote backup at a colocation facility, but current and near-term budgets are focused only oncapacity growth at lowest cost. Which of the following capabilities might be immediately attractiveto the customer?（） [" DS8700 with remote mirroring "," V7000 with Easy Tier and SSD "," SVC VDisk mirroring with stretch clusters "," UPS power backup to the racks with current storage controller"]
下列材料中，属于土工复合材料的是（） ["土工格栅","土工网","土工管","软式排水管"]
围手术期预防性应用抗菌药物，给药时间应选择在（） ["术前4小时","术前0.5小时~2小时","术后0.5小时","术后4小时","术后当日"]
Given below is a list of scenarios： 1） A user terminates his session abnormally. 2） The connection between the server and the client application terminates because of a network failure. 3） A schema is accidentally dropped. 4） The tablespace is accidentally dropped from the database. 5） The hard disk gets corrupted and the data files in the disk are lost. 6） The database instance abnormally shuts down because of power failure. Which scenarios require DBAintervention to perform recovery（） ["1， 3， and 6","4， 5， and 6","3， 4， and 5","1， 2， and 6"]
德国心理学家斯普兰格依据人们社会文化生活方式差异，将人分为六种性格类型，即（） ["权力型、经济型、社会型、理论型、审美型、宗教型","权力型、经济型、社会型、理论型、审美型、宗教型","权力型、经济型、社会型、理论型、审美型、宗教型","权力型、经济型、社会型、理论型、审美型、宗教型"]
简述Suzlon S82/1.5MW可变滑差异步感应型风力发电机工作原理？
