V . I don't think "totally based on data" is right.
我不赞成”完全的以数据为依据”。
Comparing the I-V characteristic curve and the data of different points, when the Voltage of the original solar arrays mathematical model increases to 20v, the error will gradually increase.
对两套数学物理模型的I - V特性曲线和不同点的数据进行比较，发现原有的数学物理模型在电压增大到20v时，误差会逐渐变大。
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