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编者注：本词条为中国台湾地区学术名词用语，仅供参考。
单词
半径差
释义
rad
半径差，放射性
国防部新编国军简明美华军语辞典
semidiameter {= SD} {of a heavenly body}
半径差
海事
随便看
directivity
directivity antenna
directivity; antenna
directivity characteristics
directivity diagram
directivity factor
directivity for WTGS
directivity (for WTGS)
directivity function
directivity gain
directivity index
directivity index{ =DI}
directivity index (directional)
directivity index of a sound source
directivity of antenna
directivity pattern
directivity pattern diagram
directivity pattern (directional response pattern) (beam pattern)
directivity reflectance
direct join
direct jump
direct keying device
direct knead， straight dough (method)
direct labor
direct labor budget
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