ThefrequencyofanalternatoratagivenRPMisdeterminedbythe().
A. numberofturnsofwireinthearmaturecoil
B. numberofmagneticpoles
C. strengthofthemagnetsused
D. outputvoltage
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ThedivisionofthekilowattloadbetweentwoACgeneratorsoperatinginparalleliscontrolledbythesettingsandcharacteristicsofthe().
A. voltageregulators
B. fieldrheostats
C. reversepowerrelays
D. primemovergovernors
下图表示血液流经人体内某器官前后四种物质相对含量的变化情况,由此可以判断该器官是()
A. 小肠
B. 肺
C. 肾
D. 肝脏
TheTonnageCertificategives()ofavesselwhichisclassifiedintogrosstonnageandnettonnage.
A. thedescriptions
B. themeasurements
C. thespecifications
D. theprescriptions
下列选项中哪个属于绩效管理中直线经理的角色分工?()
A. 为评估者及被评估者提供培训
B. 监督和评价该系统的实施
C. 向人力资源部提供反馈
D. 开发绩效考核系统