英语词汇directive efficiency怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	directive efficiency
释义	directive efficiency 简明释义定向效率网络释义 1 [通信]?定向效率 ... directional radio 无线电定向 directive efficiency 定向效率 directive feed 定向馈给 ... 短语 1 Energy Efficiency Directive 能源效率指令 ; 法案 2 EU Energy Efficiency Directive 欧盟能源效率指令 3 Boiler Efficiency Directive 锅炉效率的指令双语例句 1 There are many directive principles in the electronic transaction protocol designing such as security, anonymity, non-repudiation, atomicity, fairness and efficiency. 电子交易协议的设计有安全性、匿名性、非否认性、原子性、公平性与效率等原则，这些原则在协议设计时具有指导作用。 2 Therefore, if we want to get a directive decision, we can statistically or roughly estimate the data in efficiency matrix. 因此决策者为了得到具有指导性的决策，只能是对效率矩阵中的数据进行统计或粗略地估计。
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