This paper proposes a novel full-bridge LLC resonant converter that is able to achieve high efficiency over a wide input voltage range.

为此本文提出了一种新型宽电压输入LLC谐振变换器，其在宽输入电压范围内仍能高效工作。

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Drilling with DTH can achieve high efficiency in rock and soil drilling engineering.

潜孔冲击器钻进是岩土钻掘工程中的一种高效钻进方法。

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The experimental results indicate that the algorithms achieve high efficiency for clustering objects in real road network.

实验结果表明，算法对于真实道路网络中的对象聚类是高效的。

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This high efficiency PV technology allows Suntech to achieve conversion efficiency rates in the range of 18% to 19% on PV cells manufactured with monocrystalline silicon wafers and 16.5% to 17.5% on PV cells manufactured with multicrystalline silicon wafers.

FORBES: Suntech Power Stock Shines With 25% Upside