Danish Nurses' Organization丹麦的护理人员的组织 Distribution Network Operator分销网络运营商 Directorate for Network Operations董事会的网络业务 Delocalized Natural Orbital游移自然轨道 distribution networks office配送网络的办公室 Det Norske Oljeselskap ASA (Norwegian Oil company)撒Norske双边Oljeselskap(挪威的石油公司) Department of Network Operations部门的网络业务 Dad's Night Out爸爸的夜晚 Does Not Operate没有 Do Not Open不要打开吗 Dilute Naphthalene Oil稀释萘油 Do Not Operate不要操作吗 Dead Nuts On死螺母 Donor Network Operator (mobile communications operator)捐赠网络运营商(移动通信运营商)