通过求解微分方程，得到圆形平行板电容器间匀变电场激发的感生磁场，所得结果与积分法完全相同。
The magnetic field induced by the even varying electric field is calculated by solving differential equations, and the result is identical to that from integral.
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。
By the first integral method, the existence, uniqueness and nonexistence of solutions for some nonlinear ordinary differential equations with singular boundary condition are discussed.
本文主要用首次积分法构造一阶拟线性偏微分方程始值问题的解。
The fist integration is mainly used tO form the initial value solution of fist order quasi-linear partial differential equation.
本文明确表达了反函数微分法则的逆定理，基于此定理提出一种积分法，并举例说明了其运用方法。
This article explicitly expressed converse theorem of the inverse function differential principle, Based on this theorem, the author proposed one kind of integration, then gave some examples.
与更新精细积分法相比，在实现动力微分方程降阶后，矩阵尺度和方程个数减少一半；
When the order of dynamic differential equation is reduced, the size of matrices and equations of the proposed method are only half of that of the RPTSIM.
采用无条件稳定的精细逐步积分法求解结构的模态动力学微分方程，构造了通过结构的模态响应反求荷载列阵的迭代算法。
The highly precise direct integration scheme is used for solving modal dynamic differential equation of the structure nd a dynamic load identification method by the modal responses is proposed.
精细积分法是求解常微分方程的一种成熟的数值算法。
Time precision integration method is a mature numerical algorithm to solve the ordinary differential equation.
从建立观测方程的角度来说，主要研究了三种恢复地球重力场的方法：(1)数值微分法，(2)能量守恒法，(3)数值积分法。
Three methods for gravity field recovery are mainly studied from the views of observation equation, (1) numerical differential method, (2) energy balance approach, (3) numerical integration method.
针对平面应力问题，提出了利用状态空间法和微分积分法的混合解法（SSDQM）。
The state space method coupled with the technique of differential quadrature (SSDQM) was presented for plane stress problems.
采用微分法和积分法来确定动力学参数。
And the kinetics parameters were determined by differential and integral methods.
针对上述情况出现了很多带电测量输电线路零序互感参数的新的理论和技术，包括干扰法、增量法、微分法、积分法等。
Theories and technologies of live line measurement have appeared, including the interference method, the incremental method, the differential equation method and the integral equation method.
出于算法运行速度和准确性的考虑，着重研究了QRS波检测的两种算法：一阶微分窗口积分法和小波时间-尺度检测法。
On account of the operation speed and accuracy, we researched two algorithms used in QRS detection: derivative-window method and wavelet-based method.
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。
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。
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.
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