gross average meaning in English

共同海损
平均毛额
平均毛重

Monthly gross family income : below 2 , 000 ; or monthly gross average income : below 500
每月家庭总收入：在2 , 000以下;或每月平均收入：在500以下
Gross average audience ( gaa rating ) - the sum of the percent of households or persons viewing during the average minute of each telecast of the program , including repeat telecast during the period covered by the report
毛观众平均- -某一特定时期内平均每分钟所有节目（包括此时段内的重播）拥有的收视户或人的百分数平均值。