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- So here, we can only say that there is a range of possible rates of senescence of the radioactive sample, and if there is a really tiny rate of senescence, that range would still include zero. 所以，在这里，我们只能说，放射性样品衰老可能的速率有一个范围，如果有一个衰老的真正极小速率，那么该范围仍然应当包括零。
- preparation of radioactive sample 放射性样品制取
- Radioactive ray is material thing. 放射线是实际的物质。
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- What I need is nothing but a sample. 我需要的不过是一件样品而已。
- A certain discharge of possible radioactive effluent. 一定量的可能有放射性的废水。
- The nurse took a sample of my blood for tests. 护士抽了我的血样去化验。
- Airmail revised price list but full range sample within fortnight. 航空寄上订正价格表，全套样品两周内寄出。
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素，尤指碳14。
- His job is to sample products for defects. 他的工作是抽样检查产品的瑕疵。
- He sent me a sample copy of the book. 他寄给我一本样书。
- A naturally occurring or artificially produced radioactive element. 放射性元素自然产生或人为制造的放射性元素
- A radioactive compound used in radiotherapy or diagnosis. 放射性药剂一种用于放射性治疗或诊断的放射性化合物
- The immediate product of the radioactive decay of an element. 继承元素某种元素放射性衰变的直接产物
- He dipped into the bag and brought out a handful of sample wheat. 他把手伸进袋里，取出一把小麦样品。
- Isotopes that emit radioactive particles; a stove emitting heat. 发射出放射性粒子的同位素; 发出热量的炉子
- A style or individual sample of writing. 笔迹个人的书法笔迹或风格
- The radioactive waste should be buried deeply under the ground in sealed box. 这些放射性废物应该放在密封的箱子里深埋在地下。
- Deadly weapons; a deadly spill of radioactive waste products. 致命的武器; 导致死亡的核辐射废物的倾倒
- Thousands of people have written in to us for a free sample. 现已有数千人给我们来信索要免费样品。
