From the perspective of the use of solar energy, the article analyzed principles of solar heating system and calculation method of the best solar fraction.
本文从太阳能利用的角度出发，分析了太阳能采暖系统的原理以及最佳太阳能保证率的计算方法。
The results indicated that collector efficiency and solar fraction of SDWH system could be significantly increased with the temperature stratification in storage tank.
计算数据表明，相比于完全混合的蓄热水箱，水箱温度分层可较大幅度提高太阳能集热器平均效率和太阳能保证率。
A detailed analysis has been made on how to determine the collector area. By analysis of the system's economic, we can get the best solar collector area and the best solar fraction.
详细阐述了如何确定太阳能采暖系统集热器面积，通过建立太阳能保证率和集热面积之间的关系模型，根据系统经济性确定系统的最佳集热面积及最佳太阳能保证率。
If we could power such an elevator with solar energy, we could simply rise up into space for a fraction of the cost of a trip by rocket or shuttle.
如果我们能利用太阳能为这样的电梯提供动力，我们只需花费乘坐火箭或航天飞机旅行费用的一小部分就能进入太空。
Tuesday's partial eclipse occurred in Europe when a fraction of the moon obscured the sun, making it seem - in clear skies - as if a "bite" had been taken out of the solar face.
由于月球部分遮挡太阳，本周二欧洲大部可观测到日偏食。在晴好的天气里，人们可看到，太阳好似被“咬”了一口。
But despite the growing infusion of capital, innovation and talent, solar power will provide only a tiny fraction of the world's electricity needs for the foreseeable future.
尽管资金、创意和才智仍在源源注入，太阳能动力在不远的将来只能供给全球所需电力一丁点零头。
People directly use only a fraction of the solar energy that reaches the earth.
人们对到达地球的太阳能的利用仅仅是很小的一部分。
His logic rests on the laws of thermodynamics, which point inescapably to the fact that only a fraction of the solar energy reaching Earth can be exploited to generate energy we can use.
热力学定律明确指出一个事实，在到达地球的太阳能中，只有一小部分能开发成可利用的能源。AxelKleidon的思维逻辑正是以此为基础。
His logic rests on the laws of thermodynamics, which point inescapably to the fact that only a fraction of the solar energy reaching Earth can be exploited to generate energy we can use.
热力学定律明确指出一个事实，在到达地球的太阳能中，只有一小部分能开发成可利用的能源。AxelKleidon的思维逻辑正是以此为基础。
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