测定碱度时,以酚酞作指示剂所测的量其终点的PH值是() 4.2。 5.2。 8.3。
An operator needs to run a script which will write standard output and standard error to different files. Which of the following commands will successfully perform this task?() myscript.ksh 1>/tmp/log/script.log 2>/tmp/log/script.err。 myscript.ksh $1>/tmp/log/script.log $2>/tmp/log/script.err。 myscript.ksh 1>/tmp/log/script.log 2>1 /tmp/log/script/err。 myscript.ksh 2>1 /tmp/log/script.log 2> /tmp/log/script.err。
在中国,奴隶社会的学校教育,以()为目的。 “明人伦”。 “三民主义”。 “忠君、尊孔”。 “建国君民&rdquo。
某项目在施工过程中,出现了严重的质量隐患,但由于施工单位技术人员的经验不足,没有及时发现,结果出现了质量事故。这种风险属于施工管理风险类型中的()。 经济与管理风险。 组织风险。 工程环境风险。 技术风险。
In addition to better overall price performance, which other factor most significantly contributes to a lower three-year TCO advantage for a pSeries customer than for a SUN customer?() Sharing commonly used peripherals。 Maximum capacity of CPU, Memory and I/O。 Minimum number of processors in a partition。 Support for different versions of the operating system。
风力发电机组中,测量温度用PT100在室温下阻值正常为()