Often GERD curves are normalized by that nation’s Gross Domestic Product(GDP).
题目
Often GERD curves are normalized by that nation’s Gross Domestic Product(GDP).
这是它的语境,我总觉得不是翻译成胃食管反流病.
答案
GERD Gross Domestic Expenditure on R&D (OECD definition)
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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．
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