directivity
n. [电讯] 指向性;方向性
例句
The eXpression of directivity of far field and near field was derived.
推导出了此类换能器的远场指向性和近场声压的表达式。
Why is it necessary to explain the directivity of thoughts and provide clues?
为什么让别人感受到,为什么会有自我的思维指向和线索?
Simulated results show that the directivity and the gain of the array are improved.
模拟结果表明,天线阵的方向性以及增益都得到了加强。