The author generalizes the theorem of Rolle in the calculus from closed interval to semi-infinite interval and infinite interval , which is useful for students to understand theorem of Rolle better.
本文将微积分中的罗尔定理从有限闭区间推广到了半无限区间和无限区间，有助于对罗尔中值定理的理解。
In this paper, after the concept of infinite interval estimating and its utmost goodness are built, the optimal relation between infinite interval estimating and relevant hypothesis testing is proved.
在提出无穷区间估计以及其上的最优性概念之后，证明了无穷区间估计与相应假设检验的最优性之间的关系，及推演了若干重要的无穷区间估计的最优性。
According to this method, a half infinite medium located in cylindrical coordinate system is made discrete by adopting unequal interval mesh.
此法采用不等间隔的网格，将置于柱坐标系中的半无限介质进行离散化。
Usually, T should be about 3000 times larger than the time interval, not too small and not infinite, so that the wet zenith delay can be modeled correctly.
是所取状态未知数时间间隔的3000倍左右，不能太小，又不能趋于无穷大，以。
With corresponding boundary conditions, the mathematical model for semi-infinite wellbore is analyzed and solved to get the pressure distribution in horizontal interval.
通过相应的边界条件，对半无限长井筒的数学模型进行解析求解，得到水平段的压力分布，并对连续油管车所测的实际数据进行了分析。
With corresponding boundary conditions, the mathematical model for semi-infinite wellbore is analyzed and solved to get the pressure distribution in horizontal interval.
通过相应的边界条件，对半无限长井筒的数学模型进行解析求解，得到水平段的压力分布，并对连续油管车所测的实际数据进行了分析。
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