模拟: imitate; copy变数: variable字: character; word模拟变数字的: analog-to-digital数字 模拟变换器: digital to analogue converter dac数字模拟变换: digital to analog conversion; digitaltoanalogconversion数字模拟变换器: digital to analog converter; digital-analog converter; digital-to-analog transducer虚拟变数: dummy variable虚拟变数法: method of dummy variables模拟-模拟变换: analog-analog conversion模拟变量: analog variable; analogue variable模拟变调方式: analog modulation system模拟变量指定: analog variable assignment; analogue assignment of variable二进制模拟变换器: binary to analog converter二进制数-模拟变换: binary-analog conversion光学模拟变换技术: optical analog transform technique变数字符: variant character变数字位: figure shift数字变数: digital variable模拟-数字-模拟转换: analog-digital-analog conversion变数之模拟指派: analog assignment of variables模拟 数字网络: analog digital network模拟 数字转换: analog digital conversion; analog to digital conversion模拟-数字变换: analog-digital conversion模拟到数字: analog to digital; analog-to-digital