话音信号的PCM编码每秒抽样()次,每个抽样值编码为8比特。
A. 1000
B. 2000
C. 4000
D. 8000
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()与()并重是未来国家泛在智能电网发展的内在要求和方向。
A. 清洁发展
B. 坚强
C. 全球配置
D. 智能
Your company has client computers that run Windows XP Professional. You are planning to install Windows 7 Enterprise on the existing client computers. You need to design a user state migration strategy that minimizes network bandwidth and server use when user data is being migrated. What should you do?()
A. Use the Refresh Computer method and a hard-link migration store.
B. Use the Refresh Computer method and a compressed migration store.
C. Use the Replace Computer method and a hard-link migration store.
D. Use the Replace Computer method and a compressed migration store.
安全监管部门要对()负责。
A. 安全管理体系的推进实施
B. 区域范围内的作业活动安全
C. 安全制度的有效性
D. 安全综合监管的有效性