digital spectrum analyzer 数字光谱分析器
digital spectrum analysis 数字频谱分析
digital spectrum of altitudinal belts 数字垂直带谱
Digital Spread Spectrum 数字扩频 ; 数字频谱扩展器
digital signal spectrum 数字信号谱
Digital Nuclear Spectrum 数字化核能谱
digital spread spectrum receiver 数字解扩接收机
digital spread-spectrum technology 数字扩频技术
digital nuclear spectrum measurement 数字化核能谱获取
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