為什么和老師的效果不一樣呢？
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<title>無(wú)標(biāo)題文檔</title>
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<div?class="pic">yellow</div>
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2015-11-27
你這個(gè)沒(méi)有添加縮放比，一般會(huì)這樣寫(xiě)
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2016-01-29
請(qǐng)問(wèn)這是哪個(gè)軟件？