abbr.直接存取文件系统（Direct Access File System）；衍射异常精细结构（Diffraction Anomalous Fine Structure）
网络释义
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?直接模拟频率合成法
... 自动频率控制(AFC) 锁相环路(PLL) 直接模拟频率合成法(DAFS) ...
双语例句
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Decision analytical frameworks can be divided into several types: normative DAFs, such as decision analysis and cost-benefit analysis, that deal more directly with valuation and commensuration;