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DES Data Encryption Standard 数据加密标准 这是在电子商务中常用的对称密钥算法。DET DETach 离开(用于信令)DFB Distributed FeedBack 分布反馈DFP Distributed Functional Plane 分布式功能平面DFS Distributed File System 分布式文件系统DFSK Double Frequency Shift Keying 双移频键控DFT Discrete Fourier Transform 离散傅里叶变换DGIS Direct Graphics Interface Specification 直接图形接口规范DGPS Difference Global Positioning System 差分全球定位系统
DES Data Encryption Standard This is a symmetric key algorithm commonly used in e-commerce. DET DETach Departure (for signaling) DFB Distributed FeedBack Distribution Feedback DFP Distributed Functional Plane Distributed Function Plane DFS Distributed File System Distributed File System DFSK Double Frequency Shift Keying DFT Discrete Fourier Transform Discrete Fourier Transform DGIS Direct Graphics Interface Specification Direct Graphics Interface Specification DGPS Difference Global Positioning System Differential Global Positioning System