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- Keywords radionuclide;effective annual dose rate;external hazard index;the radium equivalent activity; 天然放射性核素;年有效剂量;外照射指数;等效镭浓度;
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- A dime is equivalent to ten pennies. 一角等于十分。
- The dividend pay is equivalent to one quarter of the pretax profit. 所付股息相当于税前利润的四分之一。
- A dime is the equivalent of two nickels. 一角硬币等于两个五分镍币。
- A meter is equivalent to 39.37 inches. 一米相当於三十九点三七英寸。
- radium equivalent 镭当量
- His reply is equivalent to a refusal. 他的回答等於是拒绝。
- A note equivalent to two whole notes. 二全音符相当于两个全音符的一个音符
- milligram radium equivalent 毫克镭当量
- He was the discoverer of the element radium. 他是镭元素的发现者。
- minimum pure radium equivalent 最小纯镭当量
- What is 5 equivalent to in French francs? 5英镑相当於多少法国法郎?
- He changed his pounds for the equivalent amount in dollars. 他把英镑兑换成等值的美元。
- Radium is a radioactive element. 镭是个放射性元素。
- At one end of the barrel there was some radium. 枪管的一端装有镭。
- Who is the scientist that first discover Radium? 最先发现镭的科学家是谁?
- Changing his job like that is equivalent to giving him the sack. 那样调换他的工作等于是解雇了他。
- The gesture was equivalent to a flag of truce in civilized warfare. 这个手势相当于文明战争中的停战旗。
- Middle C is equivalent to 256 vibrations per second. 中央C音相当於每秒钟振动256次。