利用一致极限概念，建立了累次极限的几类换序条件，得到若干结果。
By using the concept of uniform limit, several conditions for exchanging order of repeated limit were established and several results were also acquired.
我们从累次极限换序定理出发来综合讨论分析运算换序定理，以便对这类问题有较为深刻的认识。
In this paper, starting from order exchange theorem of repeated limits, we synthetically discuss the above problems in order to understand them deeply.
应用函数列的极限与函数的极限交换次序定理，研究了二元函数的二重极限与它的两个累次极限的关系定理，研究了二元函数的两个二阶混合偏导数可交换次序定理。
By using the limits of functions and the exchange limit theorem, we considered the relationship between the double limit of function with two variables and its repeated limits.
应用函数列的极限与函数的极限交换次序定理，研究了二元函数的二重极限与它的两个累次极限的关系定理，研究了二元函数的两个二阶混合偏导数可交换次序定理。
By using the limits of functions and the exchange limit theorem, we considered the relationship between the double limit of function with two variables and its repeated limits.
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