But we were trying to address three key problems that plague digital projectors: lack of brightness, lack of contrast, and lack of sharpness.

但是我们一直试着解决困扰数码放映机的三大难题：亮度较低，对比度较差，清晰度不足。

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Many studies were carried on the technologies and properties of laser cladding on the seal face of valve, but lack of contrast data with plasma spraying Alloy applied at present.

气门密封面激光熔覆的工艺和性能研究较多，但激光熔覆的合金组织和性能与现在气门密封面生产应用的等离子喷焊合金的对比数据较少。

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Hughes, in contrast, handled the matter with great skill, casually pointing out that there is a banner permanently in place at Old Trafford that mocks City's lack of silverware.

相反，休斯以娴熟的技巧处理了这件事，他只是轻描淡写地指出，在老特拉福德有一块永久性的嘲讽曼城没有奖杯的标语。

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In most rich countries the detailed plans for fiscal austerity contrast sharply with a lamentable lack of microeconomic ambition.

ECONOMIST: A better way

Rai's lack of interest in reality TV is in stark contrast to the broadcast philosophy of Silvio Berlusconi's network.

BBC: The Apprentice

Mr McBride, by contrast, suffers from a lack of name recognition.

ECONOMIST: Florida's gubernatorial race