diffuse X-ray 弥漫 X 射线
diffusion approximation 扩散近似
digital optical sky survey 数字光学巡天
digital sky survey 数字巡天
disappearance 掩始
cisconnection event 断尾事件
dish 碟形天线
disk globular cluster 盘族球状星团
dispersion measure 频散量度
dissector 析象管