They developed a solar airplane.
他们开发了一种太阳能飞机。
He is building a four-wheeled robot that will run on solar and electric power.
他正在建造一个四轮机器人，其将依靠太阳能和电力运行。
That makes solar a leveraged sector in which a relatively small change in U.S. policy could make a huge difference to individual stocks.
不过，太阳能板块仍具有相当的杠杆性，只要美国国家政策有一个相对较小的变化，就可以使得该板块的个股发生天大的变化。
That makes solar a leveraged sector in which a relatively small change in U. s. policy could make a huge difference to individual stocks.
不过，太阳能板块仍具有相当的杠杆性，只要美国国家政策有一个相对较小的变化，就可以使得该板块的个股发生天大的变化。
Jupiter, Saturn, Uranus, and Neptune. Those are the gas giants, the four heavyweights of the solar system. But was there once a fifth?
木星、土星、天王星和海王星。这些都是气体行星，是太阳系的四个重量级。但曾经存在第五个行星吗？
A new type of solar thermal system for homes that can provide heat, hot water, and electricity is being tested in Boulder, Colo., over the next few months.
未来几个月，科罗拉多州博尔德市将测试一种新型的家用太阳能热系统，该系统可以提供热量、热水和电力。
Perhaps each home will have a solar generator to provide power for lighting and heating.
也许每个家庭都将有一个太阳能发电机来提供照明和取暖的电力。
Changes in eccentricity, tilt and wobble do not affect the total amount of solar radiation Earth receives in a year.
离心率、倾斜和摆动的变化并不影响地球一年接收到的太阳辐射总量。
If we want to survive as a species, we have to expand into the solar system and likely beyond.
如果我们希望作为一个物种生存下去，就必须扩张到太阳系之中或超越太阳系。
A surface's albedo is the percentage of incoming solar energy, sunlight, that's reflected off that surface back into space.
一个表面的反照率是入射的太阳能、阳光从这个表面反射回太空的百分比。
Can you run a 140,000 kilogram train on just the steam generated by solar power?
仅仅依靠太阳能产生的蒸汽，14万公斤的火车能驱动起来吗？
Does that mean that solar energy can only be used on a small scale, like heating a home?
这是不是意味着太阳能只能在小范围内使用，比如为家庭供暖？
So the storage of solar energy, lots of solar energy, is a really important aspect.
所以大量太阳能的储存是非常重要的。
Of course, we now know that the planets, including Earth, revolve around the Sun, and that the solar system is only a tiny part of the universe.
当然，我们现在知道，包括地球在内的行星都围绕太阳公转，而太阳系只是宇宙的一小部分。
It is an increased area of low thick clouds, the type that reflects a rare portion of solar energy back to space and cools the Earth.
它是一片变大的低厚云层，这种云层将少量的太阳能反射回太空，为地球降温。
This transformed our view not only of the solar system but also of the importance of sending a spacecraft to Pluto.
这不仅改变了我们对太阳系的认识，也使我们意识到向冥王星发射飞船的重要性。
For the Earth to maintain a constant average temperature, such emissions from the planet must balance incoming solar radiation.
为了使地球保持恒定的平均温度，来自地球的这种辐射必须平衡入射的太阳辐射。
In November 2015, the Netherlands completed a 229-foot-long bike path paved with solar panels as a test for future projects.
2015年11月，荷兰铺设了一条长达229英尺的太阳能自行车道，这是为将来的项目进行的一项测试。
Among them are some modern things like a solar powered lamp and even a throne made of weapons created by an African artist.
其中包括太阳能灯等现代物品，甚至还有一位非洲艺术家用武器制作的王座。
Constant variations in the amount of sunlight available on Earth at any given location make energy storage a necessary design feature of terrestrial solar-energy systems.
在地球上任何一个特定地点，阳光的不断变化使能量储存成为地球太阳能系统的一个必要设计特征。
The space probe, Voyager I, launched in 1977, had sent back spectacular images of Jupiter and Saturn and then soared out of the Solar System on a one-way mission to the stars.
1977年发射的“旅行者一号”太空探测器发回了木星和土星的壮观图像，然后飞出太阳系，执行前往恒星的单程任务。
Actually, the Sun is constantly losing mass through the solar wind, a stream of charged particles constantly blowing off the Sun.
事实上，在太阳风——一股不断从太阳上吹落的带电粒子流——的影响下，太阳的质量一直在下降。
The moon takes a bite out of the sun Sunday over the seaside town of Valparaiso, Chile, during a partial solar eclipse.
周日，在智利的瓦尔帕莱索，日偏食阶段的太阳被月亮咬去了一块。
The time when a solar eclipse will occur can be calculated.
日食发生的时间可以推算出来。
Backup power could also be provided by linking wind farms with a solar cell, with conventional or pumped-storage hydropower, or with efficient natural-gas-burning turbines.
将风力发电厂与太阳能电池、常规或抽水蓄能的水电或高效的天然气涡轮机连接起来，也可以提供备用电力。
The company has created a special solar power station, which is in the shape of a cow, called "Solar Cow".
这家公司已经创造了一个特殊的太阳能发电站，它是一头牛的形状，被称为“太阳能奶牛”。
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