题目内容

实现音频信号数字化最核心的硬件(芯片)电路是:

ADC转换器
B. DAC转换器
C. 数字编码器
D. 模拟编码器

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在“十四五”时期,要持续深化要素流动型开放,稳步拓展制度型开放,依托国内经济循环体系形成对全球要素资源的强大引力场。

A. 对
B. 错

The college campus, long a place of scholarship and frontiers of new technology, is being transformed into a new age of electronics by a fleet of laptops, smartphones and connectivity 24 hours a day.

With many schools offering wireless Internet access anywhere on campus, colleges as a group have become the most Internet-accessible spots in the world.

With the widespread application of computer technologies, we are going to produce a generation of problem-solvers and intelligent thinkers, which is indispensable for the future of the world.

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