| 1. | They give off discrete amounts of radiant energy .
它们放出不连续的辐射能量。 |
| 2. | Clouds return radiant energy to the surface primarily via the atmospheric window .
云主要通过大气窗区向地表辐射能量。 |
| 3. | Radiant energy entering the opening is in part absorbed by the interior walls .
进入小孔的辐射能，一部分为内壁所吸收。 |
| 4. | Such a surface would reflect no radiant energy, and hence would appear black in color .
这种表面不会反射辐射能，因此呈现黑色。 |
| 5. | No surface can absorb more than all of the radiant energy which strikes it .
表面所能吸收的能量不可能大于投射到它上面的全部辐射能。 |
| 6. | An accelerated charged particle radiates energy in the form of an electromagnetic wave .
作加速运动的电荷会以电磁波的形式辐射能量。 |
| 7. | Material energy can be transformed into radiant energy only in units of a certain size .
物质能量只能以一定大小的单位转变为辐射能量。 |
| 8. | There is a decrease in the radiant energy received at a specified distance from the explosion .
在离开爆炸某一特定距离处接收到的辐射能便有所减少。 |
| 9. | As indicated in 1. 21, the radiation energy is a very small proportion of the total energy .
正如在121中所指出的，在总能量中，辐射能仅占很少的一部分。 |
| 10. | We have come to appreciate fundamental similarities between all of the various forms of radiant energy and matter .
我们已经开始意识到了各种形式的辐射能和物质之间的基本的相似性。 |
