短語(yǔ)詞組短語(yǔ)Far -field region pattern 遠(yuǎn)場(chǎng)區(qū)方向圖radiating far -field region 輻射性遠(yuǎn)場(chǎng)區(qū)far -field region Fraunhofer 法隆霍弗遠(yuǎn)場(chǎng)區(qū) 返回 far-field region