具有刀具半径补偿功能的数控系统,可以利用刀具半径补偿功能,简化编程计算;对于大多数数控系统,只有在()移动指令下,才能实现刀具半径补偿的建立和取消。
A. G40、G41和G42
B. G43、G44和G80
C. G43、G44和G49
D. G00或G01
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You manage a server that runs Windows Server 2008. The D:\Payroll folder is corrupted. The most recent backup version is 10/29/2007-09:00. You need to restore all the files in the D:\Payroll folder back to the most recent backup version without affecting other folders on the server. What should you do on the server?()
A. Run the Recover d:\Payroll comamnd
B. Run the WBadmin restore catalog-backuptarget:D: -version: 10/29/2007-09:00 Cquiet command
C. Run the WBadmin start recovery-backuptarget:D: -version: 10/29/2007-09:00 Coverwrite Cquiet command
D. Run the Wbadmin start recovery-version:10/29/2007-09:00 -itemType:File -items d:\payroll -overwrite - recursive Cquiet command.
下列哪组城市均以运河多桥多而著称?()
A. 斯德哥尔摩、图卢兹、布鲁日
B. 巴黎、阿姆斯特丹、根特
C. 阿姆斯特丹、威尼斯、布鲁日