kWh/m2 Fre que nc y - Springer Static Content Server
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1200 1100 1000 900 Frequency 800 700 600 500 400 300 200 100 0 2.5 2.7 2.8 2.9 3.0 3.1 kWh/m2 3.2 3.3 3.4 3.5