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- Naval Radio Activity 海军无线电站
- Power Centrifugal Instrument belongs to normal lab instruments,widely used in scientifie research,educationeproduing department,fits radio activity in munity appraisalsearate cellsbig panticles. 800电动离心机 属常规实验室用仪器，广泛应用于生物、化学、医药等科研教育和生产部门，适用于放射免疫鉴定及分离细胞和大质点。
- Naval Radio Direction Finder Service 海军无线电测向局
- Naval Radio Research Observatory 海军无线电研究观测台
- Naval Radio Transmitting Facility 海军无线电发射基地
- A fierce critic of Vladimir Putin, Mr.Litvinenko died of exposure to radio active polonium. 利特维年科对总统普金诸多批评，他死于放射性剧毒重金属元素钋。
- Minimum Residual Radio Activity Weapon 最低残留放射性武器
- Method In the same animals and the same patients, portosystemic shunt rate was measured individually by the two different methods,i.e. formula and radio active method. 方法在同一动物及患者中应用两种不同方法观测门体分流率，以传统核素方法的结果为依据，判定公式法的可靠性。
- Valves can control flow of all types, from the thinnest gas to highly corrosive chemicals, superheated steam, abrasive slurries, toxic gases and radio active materials. 他们可以处理的温度从低温地区的熔融金属，和压力，从高真空成千上万的磅每平方英寸。阀门是一个最基本的和不可或缺的组成部分，我们的现代科技社会。
- These results provide an experimental basis for installation and operation of cesium-adsorption device in the by-pass sodium loop for determination of radio active cesium. 研究结果为在快堆冷却剂旁路测量中安装吸附铯的装置提供了实验依据。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- Beiyang Navy is the earliest naval force of China. 北洋水师是中国最早的海军部队。
- Jack looks well in naval uniform. 杰克穿海军制服很漂亮。
- The naval warfare ended in our victory. 这次海战以我们的胜利而告终。
- Radio Beijing sends the news all over the world. 北京广播电台向全世界播送新闻。
- She petitioned her neighbor to turn down the radio. 她请求邻居把收音机关小点声。
- The office has been humming with activity. 办公室一直忙着搞活动。
- I put him down as a retired naval officer. 我看他是个退役的海军军官。
- They've been plugging his new show on the radio. 他们一直在电台上宣传他的新节目。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
