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- radiological defense officer 放射防护员
- Naval Radiological Defense Laboratory 海军辐射防护实验所
- Navy Radiological Defense Laboratory 海军防辐射实验室
- United States Naval Radiological Defense Laboratory 美国海军辐射防护实验室
- The U.S. Department of Defense office is a pentagon building,which called Pentagon. 美国国防部的办公大楼是一座五边形建筑物，叫做五角大楼。
- Defense Officer Management System 国防官员管理系统
- Defense Officer Personnel Management Act 国防军官人事管理法案
- Defense Officer Personnel Management Activity 国防军官人事管理局
- Between 1913 and 1916 he carried out his General Staff training in order to transfer, as Captain, to the joint defense offices in Berlin and Bern. 1913年至1916年间参加参谋培训深造。遂以上尉军衔驻于柏林-波恩联合防务办公室。
- Defense Officer Personnel Management System 国防军官人事管理系统
- Defense Officer Record Examination 国防军官档案检查
- Department of Defense Officer Record Examination 国防部军官档案审查
- Anti-submarine Fixed Defense Officer 反潜固定防御官
- Assistant Division Air Defense Officer 师助理防空官
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Many heroic men and women have died in defense of liberty. 许多英勇的男男女女为捍卫自由而牺牲。
- The officer is attached to a destroyer. 这军官隶属于某驱逐舰。
- They had a dogged defense of the city. 他们对城市进行了顽强的防守。
- In no case should a government officer take bribes. 政府官员决不能受贿。
- The immigration officer stamped my passport. 移民官员在我的护照上盖了戳。
