Maintaining the lamps might be a chore but it is essential if they are to remain in optimal condition. Usually the cost of an annual check far outweighs the loss in energy from under-performing lights. The output from a lamp can fall sharply after a period of time. While a grower believes that he is providing a certain amount of supplementary light it seems that not all of the energy is being used for assimilation. An annual check on the lights can ensure that the lights remain in optimal condition.Certainly in companies in which the lamps have been hanging for some time it doesn't hurt to inspect the lamps. "It's the same for a lamp as it is for a car," says Gees-Jan van den Dool of Netherlands-based Raymax. "You have to maintain it. A lot of factors can reduce its effectiveness such as the electricity supply, how often the lamps are turned on and off, the period of time they are on and the temperature.
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机译：维护灯泡可能比较麻烦，但要使其保持最佳状态则至关重要。通常，年度检查的成本远远超过性能不佳的灯所造成的能量损失。灯泡的输出在一段时间后会急剧下降。当种植者认为他正在提供一定数量的补充光时，似乎并不是所有的能量都用于同化。每年对灯进行检查可以确保灯保持最佳状态。在灯已经悬挂了一段时间的公司中，检查灯不会造成伤害。总部位于荷兰的Raymax的Gees-Jan van den Dool说：“灯和汽车一样。” “您必须维护它。很多因素都会降低其有效性，例如电力供应，打开和关闭灯的频率，打开灯的时间和温度。
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