directivity index
英
美
指向性指数
双语例句
- The definition of directivity factor, directivity index& equation are introduced firstly.
介绍了指向性因数和指向性指数的定义、计算式。 - Influence from Ground Attenuation, Screening, Reflection, Directivity Index.
地面衰减，屏蔽，反射，指向性指数的影响。