... infinitesimalstraintheory无穷小应变理论 infinitesimal无穷小的;微元;无限小的;无穷小的;细微末节的 infinitive不定式;不定的 ...
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无穷小的阶 order of an infinitesimal ; order of infinitesimals
无穷小无穷小的 infinitesimal
无穷小演算的几何应用 Applicazioni geometriche del calcolo infinitesimale
他们强烈表明中微子是有质量的,尽管质量是无穷小的。
They strongly suggest that the neutrino has mass, albeit an infinitesimal amount.
而一个无穷小的宇宙便会经历一场大爆炸。
And an infinitely small universe is one that would undergo a Big Bang.
然后给出判定无穷多个无穷小之积是无穷小的两个定理。
Then two theorems are given for judging a product of infinite infinitesimals being an infinitesimal.
infinitesimal interval of time not yet 0.
不为零的无穷小时间间隔
So, the point is whenever you have derivatives with something over dt, do not hesitate to cancel the dts This will be actually true as long as both quantities are vanishingly small.
关键在于,只要你推出的式子分母上有dt,不要犹豫,直接约掉,这个式子只在,两遍都是无穷小的情况下成立
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