常用求导公式和积分公式-这个系列的小抄囊括了微积分i级和II级课程常用的求导和积分公式。
Common derivatives and integrals - Here is a set of common derivatives and integrals that are used somewhat regularly in a Calculus I or Calculus II class.
利用复合函数的求导规则和级数理论能够得出 贝努利数的简明公式■ ，在理论和应用上都具有重要的价值。
There is a simple formula of Bernoulli number with using extraction a derivative rule of compound function and progression theory and so a given important value in the theory and application.
本文求导了铣刀宽度计算公式，分析了产生误差的原因，并提出了改进措施。
The calculated formula of the mill tool width is inferred, and the reason of tolerance is analyzed, and the improved measure is put.
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