The show energy conservation effect of frequency control system is the best.

说明了变频调速系统的节能效果是最好的。

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Through contrastive analysis, the LED street lights have remarkable energy conservation effect.

通过对比分析，改造后led路灯照明节能效果明显。

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It is proved in practice that the system has outstanding energy conservation effect, the produce technology is improved.

实践证明，该系统节能效果突出，改善了陶瓷元器件的生产工艺，具有较大实用价值。

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"In terms of energy efficiency and conservation, just installing a smart meter isn't going to have much effect, " says Greg Guthridge, a smart-grid consultant with Accenture.

FORBES: Energy