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- Use solar ray to charge up, which is bottomless. 利用太阳光线充电,取之不尽,用之不竭。
- Less reflective than ice, water absorbs more solar rays, speeding the thaw and channeling meltwater into seals' breathing holes. 比冰的反射率小,海水吸收了更多的阳光,加速了融化并使融化后的淡水注入这些通气孔。
- Locate the sun and then examine a region of the sky at roughly 90° to the solar rays. 找到太阳的位置,然后考察与阳光约成90°的一个天空区域。
- Earth lost its protection against ultraviolet solar rays and for several hundred years the planet would have been battered by intense radiation. 地球失去了抵御太阳紫外线的保护层,在历时数百年的时间里一直处于强烈的辐射下。
- Solar rays are generally of lower energy, below 20 MeV (which is still high energy in earth terms). 太阳射线基本上有着较低的能量,在20兆电子伏以下(以地球来说仍然是高能)。
- When we burn the tree we can never get back more energy than its growing leaves had received and stored up from the solar rays. 我们燃烧树木时,所取回的能量绝不会比它生长着的叶子从太阳光中所吸收和贮存的能量多。
- Chinese and foreign experts on Thursday announced the discovery of an unexpected surplus of high-energy, cosmic ray electrons, which could change the current understanding of the universe. 中外专家在本周四宣布了一个足够改变人们目前对宇宙认识的新发现-------即宇宙高能电子射线的能量非预期剩余现象.
- Keywords metal nanocapsule X ray electron spectrom magnetic property; 金属纳米胶囊;X光电子谱;磁性;
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- Radioactive ray is material thing. 放射线是实际的物质。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- automobile infra-red ray electronic igniter 汽车红外线电子点火器
- A ray flower or the corolla of a ray flower. 舌状花舌状花或这种花的花冠
- We can use solar energy to do many things today. 如今,我们可以利用太阳能做很多事情。
- A ray of sunlight pierced the clouds. 一缕阳光穿透了云层。
- I was left without a ray of hope. 我连一线希望也没有了。
- They accurately predicted solar eclipses. 他们精确地预告了日蚀。
- The solar system was formed 4.5 billion years ago. 太阳系是四十五亿年前形成的。
- He gave a lecture on the use of solar energy. 他就太阳能的利用作了一场讲演。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。