directionality
n.
方向性；定向性
英語翻譯 Noun:
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the property of a microphone or antenna of being more sensitive in one direction than in another;
\\\"the antenna received signals with no directivity\\\"
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the property of being directional or maintaining a direction;
\\\"the directionality of written English is from left to right\\\"
造句
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directionality effect
定向性效應,定向效應...
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