响度: loudness; volume; sensitivit ...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频带指向性指数: band directivity index送话器指向性指数: directivity index of telephone transmitter扬声器指向性指数: directivity index of loudspeaker; speaker directivity index响度指数: loudness index方向性指数: directyvity index择向性指数: directivity index噪声响度指数: noise loudness indexes性指向: sexual orientation指向性: directional characteristic; directionality; directive property; directivity指向性, 方向性: directivity响度指示器: volume indicator性指数: sex index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单指向性图: unidirectional pattern
