在模型的求解方法中,借鉴人寿保险精算学生存曲线理论、关系营销价值理论及微积分思想来求取渠道平均寿命周期;
Firstly, we use actuarial survivor curve, value theory of relation marketing, and calculus thought for reference to find average channel life-span;
从微积分成为一门学科来说,是在十七世纪,但是,微分和积分的思想在古代就已经产生了。
From the calculus to become a discipline it is in the seventeenth century, however, differential and integral thinking in ancient times had been born.
追溯了微积分的早期思想渊源,对中西数学家所作出的贡献进行了比较。
The authors trace calculus back to early method and thinking and compare the contribution to calculus of Chinese ancient mathemations with western mathemations.
So this is the central idea of calculus, right?
这是微积分的核心思想,对吗
That's the meaning of the limit in calculus.
那是微积分学里的极限思想
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