英语翻译
题目
英语翻译
The heat loss(orgain)through a wall of halfinch plate glass is more than ten times that through a typical brick wall filled with insulation board.
答案
The heat loss(orgain)through a wall of halfinch plate glass is more than ten times that through a typical brick wall filled with insulation board.通过半英寸板玻璃的墙的热损耗（或增益）超过通过一堵填充...
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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