When the chair is adjusted to best suit the user,the backrest shape is adjusted with six straps in s
题目
When the chair is adjusted to best suit the user,the backrest shape is adjusted with six straps in such a way that the lumbar curve and curvature of the spine of the user are supported as much as possible求翻译,另重重有赏
答案
通过调节椅背上的六根松紧带,可调整该座椅的弧度,以达到对人体背部起到完全保护和支撑的目的.（人体工程学,完全贴合腰部及脊柱曲线.）
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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