频带: frequency band; frequency ra ...指向: directing; sensing; sense of ...性: nature; character; dispositi ...指数: index number; index指向性指数: directional gain; directivity index指向性指数指向性指数: directivity index传声器指向性指数: directivity index of microphone; directivity index of telephone microphone送话器指向性指数: directivity index of telephone transmitter响度指向性指数: loudness directivity index扬声器指向性指数: directivity index of loudspeaker; speaker directivity index接收频带指向性因数: receiving band directivity factor方向性指数: directyvity index择向性指数: directivity index性指向: sexual orientation指向性: directional characteristic; directionality; directive property; directivity频带指示器: band indicator指向性, 方向性: directivity性指数: sex index分带指数: zonal index; zoning index晶带指数: index of zone; indices of zone; zonal indices; zone index; zone indices磁性指向力: directive force of magnetism性指向障碍: sexual orientation disorders方向性定向性，指向性: directivity超指向性: superdirectivity垂直指向性: vertical directivity
