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pv magazine International - 3 天前查看原文
Understanding P50, P90 and P99 in solar energy
If you work in solar you are destined to hear or come across the term P50 or P90 or P99. This, at first, is a very confusing concept. The ‘P’ stands for Probability and the number trailing it is the probability level (e.g. 50%, 90%, 99%).
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