超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
n元无穷小生成元
n-ary infinite semi generator
Lie无穷小判据
Lie’s infinitesimal criterion
等价无穷小
equivalent infinitesimd
infinitesimal equivalence
equivalent infinitely small
equivalent infinitesimal
equivalent infinite small
等价无穷小代换
the substitution of equivalent infinite small
等价无穷小生成子
equivalent infinitesimal generator
等价无穷小替换
replacement of the equivalent infinitesimal quanti
低阶无穷小
infinitesimal of lower order
lower order the infinitesimal
二级无穷小邻域
second order infinitesimal neighborhood
非阿基米德无穷小量
non-Archimedean infinitesimal
高阶无穷小
infinitesimal of higher order
higher-order infinitesimal
古典无穷小算法
classical infinitesimal Lie method
实解析无穷小CR自同构
real-analytic infinitesimal CR automorphism