A customer has one IBM System Storage DS8300 in their main data center with one IBM DS6800 at their Disaster Recovery （DR） site. They are using the Remote Mirror and Copy （RMC） feature between the sites. They utilize Tivoli Storage Manager for backups. They would like to replace a Microsoft Windows server at the main site with a server at the DR site with a minimal amount of downtime. Which method will achieve their goals（） ["locate the Tivoli Storage Manager data set for the server at the DR site， do a full backup， recover the data to the DS6800， and make the data availableto the server","create RMC relationships for all of the data on the server to the DS6800， shut down the server， and make the data available to the new server","shut down the server，create RMC relationships for all of the data on the server to the DS6800， and make the data available to the new server","recover the TSM backups to the DS6800 at the remote site， and make the data available to the new server"]
简述BC3150在变桨控制系统中的作用
种子
制动梁厂修时须进行抛丸除锈，除锈后表面清洁度须达到GBfr8923规定的Sa2级，局部不低于（）级。 ["Sal","Sa2","Sa3","Sa4"]
经济效益
如果你是一位称职的酒店验收人员，你认为应该怎样做好食品原料的验收工作？
