Quantum theory proposes that radiant energy is transmitted in discrete units.
量子理论的提出辐射的能量能传递离散的单位.
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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.
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Different kinds of radiant energy have certain fundamental characteristics in common.
不同种类的辐射能却有着某种共同的基本特性.
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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.
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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.
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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.
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For a fixed set of conditions, any free surface emits radiant energy of varying wavelengths.
在一定的条件下, 任何自由表面均会散发各种波长的辐射能.
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炭黑是不透明的,可以防止辐射热传到推进剂内部.
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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.
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It is not until the radiant energy falls upon matter that it becomes heat energy.
直到幅射能落到物质上以后,它才能变成热能.
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In a similar way, radiant energy has a characteristic frequency and length associated with it.
同样, 辐射能有其特性频率和相应的波长.
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空中电线和光缆的火焰和烟尘移动率的标准测试方法.
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辐射能有波状特征, 这些特征和水波的波状特征相似.
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当今最热门的地板辐射采暖系统之一的是舒适, 节能, 和全免维修费用辐射地板.
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