调度员值班期间，不得离开调度室，如必须离开时，应经领导同意，由具有（）的人员代替。发电厂值长离开值班室时，应指定专人负责调度联系，并事先报告值班调度员。
查看答案
The customer has agreed that the SAN proposal is the best solution for their budget. Howeverthey are still unsure of using such leading edge technology. Which item below would help themfeel more comfortable?（）
A. TCO study
B. A demonstration at a BPIC
C. IBM customer references
D. IBM Redbook
微信支付 
支付宝支付