Yet a number of inventions have proved successful in converting what you already have, to a clean and more economical power machine.

而且许多的发明已经被成功的被证明转变了你们曾经的生活态度，走向一个清洁而且也更经济的能耗设备。

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In power system, enhancing and maintaining synchronous generators stability is one of the basic conditions to ensure safe and economical power system operation.

同步发电机是电力系统中重要的电源，提高和维持同步发电机运行的稳定性，是保证电力系统安全、经济运行的基本条件之一。

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Rational planning of local reactive compensation and transformer capacity is very important for demand side management to reduce power losses and improve the economical power system operation.

合理的无功就地补偿和选择变压器容量可以降低损耗，提高系统运行的经济性，是电力需求侧管理的重要内容。

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Solar thermal power, which is the most economical form of solar power production, additionally consumes at least double the water of conventional power plants.

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The Pulse is the world's first ION PC that can be upgraded with a GeForce GPU, offering consumers the flexibility to choose an economical, low power ION solution or an energy efficient, high performance configuration with GeForce.

ENGADGET: Maingear introduces eco-friendly, Ion-powered Pulse SFF PC

The power in Iceland to do this is so cheap that it is economical for companies like Alcoa and Alcan to ship the raw materials all the way to Iceland and then ship the final product out it to its customers.

CNN: Can Iceland's geo-thermal power re-heat its economy?