词汇	sound directivity factor
释义	sound directivity factor 源指向性因数
随便看	a horse breaker a horse-breeding farm A horse can swim A horse chomping oats a horse dealer a horse-drawn carriage A horse-drawn carriage with attendants A horse draws the cart A horse,especially a working farm horse A horse, especially a working farm horse a horse fair a horse fretting its bit A horsehair sofa A horsehair sofa;horsehair upholstery a horse having a coat of mottled gray A horse having a coat of mottled gray a horse is a quadruped A horse is drinking water in the stream A horse is useful a horse jail! A horse may stumble on four feet a horse of a different color a horse of a different colour a horse of another color a horse of another colour