词汇	directivity function
释义	directivity function 定向性函数
随便看	reactive depression psychosis reactive depressions Reactive Depressions reactive depressionsituational Reactive depressionsituational reactive depressive psychosis reactive depressive state reactive desorption Reactive detection reactive detonation spray reactive diffusion reactive diffusion bonding reactive-diffusion equations reactive diffusive equation reactivediluent reactive diluent reactive diluents reactive dioxide reactive disorder Reactive Disorder,Child Reactive Disorders reactive disperse dye reactive disperse dyes reactive/disperse dyes reactive disperse orange r