本文以区域分析理论为工具，提出分次谐波共振过电压的一个近似解析公式。
In this paper, a formula of approximate analytic solution of subharmonic resonant overvoltage is established according to the theory of region analysis.
本文给出近似解析公式，确定空气动力迟滞引起的飞机横航向极限环振荡特性。
This paper presents an approximate analytic method which determines the characteristics of aircraft lateral-directional limit cycle oscillation induced by aerodynamic hysteresis.
而后求出了系统固有频率的近似解析公式，同时也得到了极限流速的近似解析公式。
Then approximate analytic formula of system frequency are obtained. Meanwhile, approximate analytic formulation of limit velocity is obtained.
在结半径比较小的情形给出电流密度分布、磁场强度分布以及临界电流值的近似解析公式。
Approximate analytic solutions of cur-rent and magnetic field distribution and the critical current are obtained when the radius of the junction is very small.
得到了在光纤中传输的脉冲光功率的系综平均值和输出脉冲宽度的均方根值的近似解析公式。
Formulas are derived for the ensemble average of the pulse power and the RMS pulse width.
采用广义牛顿粘度公式，得到了振动力场作用下的异向双螺杆挤出机螺棱侧间隙内的速度分布近似解析解。
The approximate analytical solution of the velocity distribution in the side gap of the counter-rotating twin screw extruder is obtained by means of the generalized Newtonian viscosity.
给出了近似理论解析解的计算公式，并用实验的方法对有限元计算和近似理论解的计算进行验证，并比较了三种方法的优缺点。
Deducing the computing formula for analytical solution of approximation theory and using experiments to testify the compute and contrasting the three computer methods.
以高斯光束的变换为例，推导出了一个表示为初等函数之和的近似解析传输公式。
The transformation of Gaussian beams is taken as an example, an approximate analytical propagation expression in terms of a sum of elementary functions is derived.
第五章介绍美式期权的近似解析解，并在著名的BAW公式上进行修正，得出新的公式并进行数值试验。
Analytic approximation method is introduced in the chapter five and we make an adjustment of BAW formula.
给出重力与压载、液压与压载下临界压载的解析公式或简便精确的近似公式。
Analystical or simple accurate approximate formula of critical load of plunger under its weight and compressive force on the end or hydraulic pressure and compressive force on the end are provided.
给出重力与压载、液压与压载下临界压载的解析公式或简便精确的近似公式。
Analystical or simple accurate approximate formula of critical load of plunger under its weight and compressive force on the end or hydraulic pressure and compressive force on the end are provided.
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