英语词汇directional characteristics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	directional characteristics
释义	directional characteristics 简明释义定向特性：指物体或系统在特定方向上的特定属性或特征。网络释义 1 ?方向特性 ... 定向天线 directional antenna 方向特性 directional characteristics 定向耦合 directional coupled ... 短语 1 antenna directional characteristics 天线指向特性 2 forward directional characteristics 前向性 3 directional characteristics of microphone 传声器指向性特性双语例句 1 The police's strength exercise method has stronger directional characteristics. 警察的力量锻炼方法具有较强的指向性特征。 2 Having no particular orientation or directional characteristics. Also having no tendency to change position. 没有特别的取向或方向特征，也没有改变位置的倾向。 3 Photon efficiencies and forward directional characteristics of X-rays for several kinds of often-used targets were calculated and analyzed. 对几种靶的光子效率和X射线前向性随靶厚度变化进行了计算和分析。
随便看	surface-wave cransmission live surface wave delay line surface wave delay line surface wave filter surface wave group surface waveguide surface wave line surface wave magnitude surface wave method surface waveness recording instrument surface wave pattern surface-wave phase shifter surface wave probe surface wave propagation surface wave radiation surface waves surface wave technique surface wave tilt surface wave transmission line surface wave transmission line surface wave waveguide surface waviness surface wave surface wear surface (weather) chart

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