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- radio active source 放射源
- 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。
- The frontier has been an active source for American folktales dealing with characters such as Paul Bunyan, Johnny Appleseed, John Henry, and Mike Fink. 美国西部开发的故事是美国民间故事的丰富来源，其中塑造的人物有保尔 - 班扬、约翰尼 - 苹果佬、约翰 - 亨利和迈克 - 芬克等。
- 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。
- In this flyback example only the primary switch has been analyzed as active source of electrical noise. 在这个反激变换器里只对一次侧开关进行电磁噪声产生的分析。
- 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。
- The frontier has been an active source for American folktales dealing with characters such as Paul Bunyan, Johnny Appleseed, John Henry, and Mike Fink . 美国西部开发的故事是美国民间故事的丰富来源，其中塑造的人物有保尔-班扬、约翰尼-苹果佬、约翰-亨利和迈克-芬克等。
- Application of Radio Active Level Instrument 射线液位计的应用
- lead box for transportation of radio active element 放射性元素运输铅罐
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- 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。
- 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。
- Synchronizes the projector settings to the active source 使投影机设置与当前信号源同步
- 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。
- How much do you think this radio will sell for? 你认为这台收音机会卖多少钱？
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- An Active Source Routing Protocol for Ad Hoc Networks 一种用于自组网的主动源路由协议
