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Uploaded by AVerClass on Apr 3, 2009
自然科學常需教授生物觀察或是實驗步驟,有時透過傳閱或是學生聚集於講桌前觀看,不但容易損壞觀察物,學生吸收效果也有限,讓我們來看看圓剛實物攝影機如何有效解決!
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