英语翻译
题目
英语翻译
The recent development in enhancement of measurement system is firstly a movement towards the framework.Then recent confusion on definitions of terms and inconsistency within the framework are to be mended.Further standard setting should be based on a better conceptual framework.
答案
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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