By the first integral method, the existence, uniqueness and nonexistence of solutions for some nonlinear ordinary differential equations with singular boundary condition are discussed.
用首次积分法，讨论了带奇异边界条件的非线性常微分方程解的存在性、不存在性和唯一性。
The author discusses a class of general of singular boundary value problems by using the first integral method, and the necessary and sufficient condition of positive solutions was obtained.
运用首次积分法讨论了较广泛的一类常微分方程边值问题，得到了正解存在的充要条件。
Remember the general method is that we first look at the inner integral, here integral of f dy.
一般是,先考虑内积分，这里即f对dy的积分。
This paper gives the conversion formula from the first type surface integral to the first type curvilineal, and sets a example of using the method to solve exercises.
本文建立了一种特殊的第一型曲面积分与第一型曲线积分的转化公式，并通过实例表明该方法在解决问题时所带来的方便。
The fundamental solutions for displacements and stress components of the layered soil due to unit internal ring loading are first derived with integral transforms and the transfer matrix method.
采用积分变换和传递矩阵方法，求解了成层土在内部环形荷载作用下的基本解；
First, the integral equation of an infinite phased array of rectangle waveguide with rectangle grid was deduced and its solution by moment method was presented either.
该文采用积分方程法及模式匹配法对矩形波导单元无限相控阵进行了分析与设计。
The method involves first extracting viewpoint images from the lenticular integral image.
此方法首先从全景图像中抽提视图。
The integral method is put forward to analyze the dynamic stability of slope under the effect of blasting vibration for the first time.
实例证明，此方法是分析边坡动力稳定性的有效方法之一。
First, 3d data field was pretreated to a unitary and integral field, and the method of 2d image segmentation was extended and amended, which makes the method be used to segment 3d data field.
该方法先对三维数据场进行归一、整数化的预处理，并修正扩展二维图像的分割方法，使之适用于提取三维数据场边界过渡区。
First, 3d data field was pretreated to a unitary and integral field, and the method of 2d image segmentation was extended and amended, which makes the method be used to segment 3d data field.
该方法先对三维数据场进行归一、整数化的预处理，并修正扩展二维图像的分割方法，使之适用于提取三维数据场边界过渡区。
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