This paper presents a yield evaluation of 23,944 roof-top PV systems in Germany over a seven-year pe

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This paper presents a yield evaluation of 23,944 roof-top PV systems in Germany over a seven-year period from 2012 to 2018.

A.Explaining the significance or necessity of the research

B.Reviewing the existing literature relevant to the present study

C.Identifying a gap in the existing literature

D.Announcing the purpose/focus of the study

E.E.Outlining the paper structure

参考答案:

答案:Announcing the purpose/focus of the study