Off-grid energy systems such as photovoltaics, solar water heating, and on-site water collection can keep basic services going.
非常规的能源系统例如光电科技，太阳能热水及就地取水都能运作建筑的基本设施。
No one is sure just how many Americans live off the national public-utilities grid - relying on generators or alternate energy sources such as solar, wind and geothermal.
没人知道究竟有多少美国人靠国家公共事业的网络生活—依靠发电机或替代能源，如太阳能、风能和地热能。
In the nearer term, such technology could at the very least power parts of the globe that are currently off the grid with clean, plentiful, and easy-to-come-by energy.
就算在近期，这项技术至少有望提供一种更洁净、更充足、更易获取的能源。
To pump energy back into the grid, some of the rotational energy is bled off to power a generator on the main shaft.
把电能又送回电网时，就释放一部分转动的动能，开动位于主轴的发电机。
Sierra Leone is effectively off-grid and run on generators, offering a fantastic opportunity to supply its energy needs with renewable sources - just as long as the will is there, of course.
塞拉利昂实际上没有电网和营运的发电厂，这就为使用再生能源提供了极好的机会，当然还需要有决心。
Wind and solar energy can be used at home. Find out more in Taking Your home "Off The Grid".
风能和太阳能可以在家庭中使用。
Sustainability – Energy : With no electricity – the project is the only off-the grid hotel-room in Bergen.
可持续性-能源：没有电力-项目是卑尔根仅有的野外体验旅馆房。
Our goal should be to use less energy and materials, and take cities off-grid as much as possible.
我们的目标是用更少能量和原料，让城市可以尽量少用电。
Even if we used grid electricity to cut off the permanent magnet's field by shielding it with something, wouldn't we save a lot more energy than using an electromagnet?
即使我们使用电网电力切断屏蔽的东西它的永久磁铁的领域，我们不会节省很多比用电磁铁的能量？
The small wind energy and solar energy off-grid power generation systems usually adopt lead-acid battery pack as their energy storage equipment.
小型风能和太阳能非并网发电系统普遍采用铅蓄电池组作为储能装置。
The small wind energy and solar energy off-grid power generation systems usually adopt lead-acid battery pack as their energy storage equipment.
小型风能和太阳能非并网发电系统普遍采用铅蓄电池组作为储能装置。
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