...能源效益之路灯，以及以选定具能源效益之路灯加快替换在中国逾40,000,000支耗能高压钠制路灯(High-Pressure Sodium Street Lamps)。因此，董事会认为更改公司名称符合本公司及股东之整体利益。
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Towards the end of the 20th century, the old-fashioned sodium street lights that made everything look orange were gradually replaced by high-pressure sodium lamps.
到20世纪时，让所有东西看起来都呈桔色的老式钠路灯逐渐被高压钠灯所取代。
Based on the illumination and lifetime characteristics of street lights under different supply voltage, the best voltage supply for high-pressure Sodium lamps used in city street lighting is derived.
根据高压钠灯在不同电压下的照度及寿命特性，推导出路灯半夜灯的最佳供电电压。
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