【单选题】直流系统绝缘监测装置应具备交流窜直流故障的()和报警功能。
【多选题】下面哪些因素变动会导致平板电脑的供给增加
【单选题】We're planning to ______ one month touring around South Africa.
【简答题】We're planning to raise awareness of our product by giving free samples at___________________
【判断题】我国只准设立有限责任和合伙制会计事务所,不准个人独资设立。( )
【多选题】直流系统的控制和调节,需要具备以下基本功能()。
C.
尽量减小逆变器换相失败并适当减小换流器所消耗的无功功率
D.
正常运行时,保持直流电压在额定值水平,使在输送给定功率时线路的功率损耗适当
【单选题】I wanted to tell you before anyone else does—we're planning to...
A.
try to anticipate potential conflicts
C.
be as positive as possible