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定向性,指向性用英語怎麽說最合適

定向性

[詞典] directionality; directing property; directive property; stereotaxis;

[例句]碟形衛星天線的定向性非常強。

Dish aerials are highly directional

指向性

[詞典] directivity; directionality; [電磁] directive property;

[例句]介紹了指向性因數和指向性指數的定義、計算式。

The definition of directivity factor, directivity index& equation are introduced firstly.