When the radiant energy of the sun falls on the earth, it is changed into heat energy, and as a result the earth is warmed.
当太阳的辐射能落在地球上时，就变为热能，于是， 地球暖和起来了。
Radiant energy is also called light energy.
辐射能也称作光能。
Radio waves are also known as radiant energy.
无线电波也被认为是辐射能。
All radiant energy has wavelike characteristics.
所有的辐射能都具有波的特征。
They give off discrete amounts of radiant energy.
它们放出不连续的辐射能量。
They give off discrete amounts of radiant energy .
它们放出不连续的辐射能量。
We know that light is a variety of radiant energy.
我们知道光是一种辐射能。
Solar energy is radiant energy that is produced by the sun.
所谓太阳能，就是太阳产生的辐射能。
Our most important source of radiant energy is, of course, the sun.
当然，我们人类最重要的光能的来源就是太阳。
The amount of radiant energy needed to expose a photographic film.
感光胶片上曝光所需的辐射能的总量。
He calculated that the motion adds a mass of 3/8c2 times the radiant energy.
他计算出，移动让质量的增值达到辐射能量的3／8c2倍（c代表光速）。
The solar which is called radiant energy can be transformed to heat energy.
被称为辐射能的太阳能可以转换为热能。
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。
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。
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。
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。
In radiation, thermal energy is transformed into radiant energy, similar in nature to light.
热能在辐射时，转换成性质与光类似的辐射能。
In radiation, thermal energy is transformed into radiant energy, similar in nature to light.
热能在辐射时，转换成性质与光相似的辐射能。
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。
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。
The signal of furnace radiant energy is put into the combustion control system to control the fuel.
将炉膛辐射能信号引入燃烧控制系统，对入炉燃料量进行反馈控制。
Some matter is lost during nuclear fusion. The lost matter is emitted into space as radiant energy.
这是因为在核聚变过程中有些物质损失了，这些损失的物质就以辐射能的形式发射到宇宙空间。
All radiant energy has wavelike characteristics, analogous to those of waves that move through water.
辐射能有波状特征，这些特征和水波的波状特征相似。
The radiant energy can reflect the change of the fuel rate or the quality of combustion more directly.
通过辐射能信号能够更加直接地反映燃料量或者燃烧品质的改变。
The rate then levels off, and additional radiant energy is without effect and the system is light saturated.
然后光合速率趋于稳定，再增加辐射能对光合速率没有影响，光合系统达到光饱和状态。
Without it there would be no life, for plant life depends upon radiant energy-and we depend upon plant life.
没有太阳，就没有生命，植物的生命依赖辐射能，而我们依赖植物的生命。
Different kinds of radiant energy, such as light, X rays, and radio waves, seem very different from each other.
各种辐射能，例如光，X射线以及无线电波，彼此很不相同。
Other forms of radiant energy familiar to us are radio waves, infrared rays, ultra - violet rays, X rays, and gamma rays.
我们熟悉的另外一些形式的辐射能是电磁波，红外线、紫外线、X射线和伽玛射线。
When the radiant energy of the sun falls on the earth it is changed into heat energy, and as a result the earth is warmed.
当太阳的辐射能落在地球上时，就变为热能，于是，地球暖和起来了。
When the radiant energy of the sun falls on the earth it is changed into heat energy, and as a result the earth is warmed.
当太阳的辐射能落在地球上时，就变为热能，于是，地球暖和起来了。
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