最早对月食现象作出科学解释的科学家是()。 正确。 错误。
施工进度计划进行偏差纠正,分析不正确的有()。 正确。 错误。
An administrator has a server that must be upgraded from AIX 5.2 to AIX 5.3. The administrator also needs to use the 64-bit kernel with JFS2 filesystems in rootvg. All critical data resides in a non-rootvg volume group. Which of the following types of install could the administrator use to accomplish this?() 正确。 错误。
生态系统的物质循环 正确。 错误。
An administrator runs mktcpip aixhost 172.168.0.50 enO to change the network address, but the command hangs for an extended period of time. Which of the following is the most likely cause of the problem() 正确。 错误。
制动机零件清洗后要放在烤箱内烘干。