数字音频采样和量化过程所用的主要硬件是()。 A.数字信号到模拟信号的转换器(D/A 发布时间:2017-08-12 06:00 │ 来源:www.tikuol.com 题型:单项选择题 问题: 数字音频采样和量化过程所用的主要硬件是()。A.数字信号到模拟信号的转换器(D/A转换器)B.模拟信号到数字信号的转换器(A/D转换器)C.数字解码器D.数字编码器
题型:单项选择题 下列溶液中Cl-的物质的量浓度与50mL 1mol/LAlCl3溶液的物质的量浓度相等的是( )A.150mL1mol/LNaClB.150mL3mol/LKClC.75mL2mol/LNH4ClD.75mL1mol/LAlCl3 查看答案
题型:单项选择题 The Audiolingual Method is a method of foreign or second language teaching which emphasizes the ______.A.listening and reading before speaking and writingB.listening and speaking before reading and writingC.listening and speaking before translating and writingD.reading and listening before writing and speaking 查看答案