Because of the reflection on the back surface the minority carrier generation and illuminated surface photovoltage of both sides polished wafer will be higher than one of single side polished wafer.
由于背抛光面对受光面入射光的反射，使得少子产生率和受光面表面光电压都高于单面抛光片。
At that moment, Xiaoai suddenly sensed a beam of illuminated light passing from the rear. When she turned back, that temporary look-back had suddenly become perpetual farewell.
那一瞬间，小爱忽然感到后面传来一束亮通通的光线，当她转过头时，那一个短暂的回眸竟成了永远的告别。
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