课程资源的种类有（）、（）、（）、（）、（）、（）。
制动波的方向是（）。 由前向后传播。 由后向前传播。 随机的。 分散的。
A user tries to ftp a 3 gigabyte file to an AIX machine at certain times during the day. The file transfer fails at exactly 2,147,483,584 bytes each time. All of the following are probable causes of the failures EXCEPT:（） AIX has not been updated to V4。 fsize in /etc/security/limits file has not been set to -1。 ftp can only transfer files > 2 gig in binary mode。 The filesystem is not large-file enabled。
爆破挤淤法地基处理施工方案设计包括（）的设计。 平面布置和爆破方案。 土方量和炸药量。 抛填断面和布药参数。 爆破断面和炸药量。
New AIX systems arrive without a CDROM drive. All systems do not have the system hardware configuration. Which of the following options is the most appropriate way to install AIX on the systems?（） Install CDROM drives or tape drives on the systems because that is the only way to install AIX.。 Install one system. Take a mksysb from the first system and resotre the mksysb to the remaining systems.。 Install one system. Mirror rootvg onto a disk from each of the remaining systems.。 Setup and NIM master and resources.。
开孔作业时，将刀具结合器安装到主轴上时，需要（）转动测量杆把内部丝头杆螺纹拧到刀具结合器上，用手紧固。
