Characteristics: high luminous efficiency, long life, light colour, and gold wand white, through fog and strong. Trigger high-pressure sodium lamp with no external trigger.
特点：发光效率高、寿命长、光色好、呈金白色、透雾能力强。内触发高压钠灯无需外接触发器。
Thus, the ratio of sodium of fog-water components might be used as an indication of the properties of fog.
故雾水成份的钠比值，可作为判别雾的性质和成因的参考依据。
Thus, the ratio of sodium of fog-water components might be used as an indication of the properties of fog.
故雾水成份的钠比值，可作为判别雾的性质和成因的参考依据。
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