您要查找的是不是：
- Electronics Defense Laboratory 电子防务实验室
- 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 Army Nuclear Defense Laboratory 美国陆军横防御研究所
- United States Naval Radiological Defense Laboratory 美国海军辐射防护实验室
- Military Electronics Defense Expo 军用电子防御博览会
- United States Navy Mine Defense Laboratory 美国海军防水雷实验室
- 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 engineer caught on with a big electronics body. 这位工程师被一家大电子集团所雇用。
- They had a dogged defense of the city. 他们对城市进行了顽强的防守。
- Electronic Defense System Division 电子防御系统局
- They are repairing the defense works. 他们正在修防御工程。
- The accused has the right to defense. 被告人有权获得辩护。
- The adaptation of electronics for astronautics. 应用航天电子学适用于航天学的电子学
- Ships Highpower Electronic Defense System 舰船高威力电子防卫系统
- mobile electronic defense system 移动式电子系统
- ARPANET started by the US Dept. of Defense for research. 美国国防部建立了阿帕网，作研究用。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- She's on attachment to the Ministry of Defense. 她现在隶属于国防部。
