This is an energy saver in the long run, "he says."

“这是一个能源节约在长远来说，”他说。

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You can set it to do this in the Energy Saver preference pane in System Preferences.

你可以在“系统偏好设置”的“节能器”选项中设置。

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A new city lighting energy saver based on AC chopper technology for city lighting system was designed.

针对城市照明系统，设计了一种基于交流斩波技术的新型城市照明节电器。

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Because this feature is a proven energy-saver, customers qualify for a number of conservation rebates.

CNN: Nest's plan to stop brownouts before they start

The firm's plan for the Kuala Lumpur Securities Commission headquarters promises to be an even bigger energy-saver.

CNN: SPECIAL REPORT CITIES

These, combined with its battery-saver core and energy-saving PRISM 2 technology, deliver hours of gameplay on a single charge.

ENGADGET: NVIDIA unveils Project Shield, a Tegra 4-powered Android gaming handheld