| 单词 | rutherford |
| 释义 | rutherford [`rǝth·ǝr·fǝrd] NUCLEONICS 1. Abbreviated rd. 2. A unit used to express the decay rate of radioactive material, equal to 106 disintegrating atoms per second. 3. That amount of a substance which is undergoing 106 disintegrations per second. |
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