unit1Key to the ExercisPassage AII. Reading Comprehension1. Trybriefs to complete thentences with what you have learned from the passage.1) for decadesidefrag,sociologists
太阳能发电太阳能专业词汇名词解释 字母A冬季滋补汤大全AA, Ampere的缩写, 安培a-Si:H, amorph silicon的缩写, 含氢的, 非结晶性硅.趵突泉课文Absorption, 吸收. Absorption of the photons:光吸收;当能量大于到禁带宽度的光子入射时,太阳电池内的电子能量从价带迁导带,产生电子——空穴对的作用,称为光吸收。 Absorptions c