升压斩波电路是通过调节占空比控制输出直流电压的大小。( )
A. 对
B. 错
Electronics technicians provide technical support and service during the production, installation , operation and repair of electrical equipment and systems.
A. 生产
B. 操作
C. 维修
D. 安装
Employment AdvertisementJob Title : Electronics Design EngineerCompany: Philips Electronics Inc.Location: Shanghai, China
A. 招聘广告
B. 公司
C. 职位
D. 地点
Job responsibilities : Create detailed specifications in cooperation with the project team.
A. 技术参数
B. 工作职责
C. 项目团队
D. 合作