GRCI环球关系资本资讯GRn.放大衰减指示(传动比；政府规定)gravimetric concentration重力选矿Gracilaria tenuistipitatan.细基江蓠Gracdlaria tenuistipitata江蓠gracilaria tenuistipctata细基江蓠Grauman's Chinese Theatergrazing incidence grating掠入射光栅Gratiolet optic radiation格拉蒂奥莱视辐射线Grazing forbidden project退牧还草工程grating projection method光栅投影测量Gracilaria lernaneiformis龙须菜