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| 1. | With the help of special radio telescope, the intensity of radiation can be measured in different parts of the sky. |
| 借助于专门的射电望远镜，就可以测量天空中任何地方辐射的强度。 |
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| 2. | the reduction of the intensity of radiation as a consequence of absorption and radiation. |
| 放射线的强度由于辐射和吸收而减少。 |
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| 3. | specific intensity of radiation |
| 辐射比强度 |
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| 4. | The sun has been emitting energy at this rate for billions of years. |
| 太阳以这样的强度辐射已有10亿年之久。 |
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| 5. | low-level radiation |
| 低强度辐射 |
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| 6. | intermediate level radiatio |
| 中能级辐射|中等强度辐射 |
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| 7. | The government deluded the public about the dangers of low-level radiation. |
| 政府欺骗公众，关于低强度辐射的危险性。 |
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| 8. | Three methods of heat transfer are conduction（传导）, convection（对流）, and radiation（辐射）. |
| 传热的三种方式分别是传导，对流，辐射。 |
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| 9. | The concepts of radiant emittance and of irradiance are complementary. |
| 辐射的发射强度和辐照度是两个互补的概念。 |
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| 10. | The radiation（辐/放射、发光/热） radius（半径、范围、界限） of the radioactive（放射性的） radium（镭） radiator（散热/冷却器、水箱、辐射体） |
| 有放射性的镭辐射体（热器）广场中的辐射半径是可变的。 |
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