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- calculus of finite difference 差分学,有限差分运算
- calculus of finite differences 差分法
- Theory of finite element method and finite difference method for BFIA are briefly discussed. 摘要简要分析了用有限元法和有限差分法计算下部钻具组合的理论。
- In order to capture the shock wave, Murman Cole type of finite difference scheme is used to calculate spatial source distribution. 用 Murman- Cole差分格式计算空间场源强度 ,以捕捉激波。
- With finite difference approximation, the space and time step size was solved to ensure the convergency of finite difference approximation. 通过分析有限维逼近方法的收敛性，获得保证收敛性的空间和时间步长应满足的条件；
- The present SLG approach uses original parameter equations of invisid compressible flow and method of finite difference. 该方法采用无粘可压的原参数方程组及 有限差格式。
- Adopting Winkler model for soils, the dynamic response of the whole structure was obtained by means of finite difference method. 近些年来，桩式丁坝有效的解决了上述问题，在钱塘江的治理中得到了广泛采用。
- With the method of finite difference,the temperature distribution in both soil and cables is modeled separately through combinatorial coordinates. 本文采用有限差分法,用坐标组合的方式对土壤区域和电缆区域分别进行计算,最终可以确定任意敷设方式下电缆允许的载流量。
- The paper also describes the propagation of elastic waves in EDA medium by using the numerical result of finite difference, and indicates shear wave splitting . 文中利用有限差分数值计算的结果展示了弹性波在EDA介质中的传播特征，揭示了横波分裂现象及几种弹性参数的地质意义。
- In this paper the dynamic heat balance equation for the avionics pod and the heat transfer equation for the pod wall have been established. The transient heating load of the pod have been computed by means of finite difference equations. 本文建立了吊舱动态热平衡方程与壁面导热方程;并使用有限差分方程求解吊舱瞬态热载荷.
- Based on the asymptotic properties for numerical Integral formulas, this paper obtains a class of finite difference methods for solving initial value problems of Odinary Differential Equations, and studies the consistency and stability of new methods. 摘要基于数值积分公式中间点的渐近性质，获得了一类求解常微分方程初值问题有限差分方法，研究了新方法的相容性和稳定性。
- An unsteady Reynolds equation for Eyring fluid was derived and solved simultaneously with the elastic equation by means of finite difference method. More attention was given to the analysis of non-Newtonian effects on EHD lubrication process. 导出了Eyring流体非稳态雷诺方程，在采用差分方法对非稳态弹流润滑过程进行 数值求解的基础上，着重分析了润滑剂的非牛顿效应。
- Newton and Leibniz invented the calculus of a great role. 对牛顿和莱布尼茨发明 微积分理论 有很大的作用。
- On the basis of theory of electromagnetic field, setting up a geoelectric model, carry out mine 3D geoelectric anomalous body numerical simulation through the use of finite difference method. 依据电磁场理论,构建地电模型,利用有限差分对矿井三维地电异常体进行数值模拟,得到异常体在电阻率不同、至巷道距离不同、及测点不同情况下的层测深曲线,并对其分布规律进行分析研究。
- Of the 44 cases, the calculus of 42 had been cured by mini-PCNL. 44例出现并发者42例治愈，再次微通道经皮肾镜取石术效果满意。
- Application of finite difference calculus in bending deflection calculation of H-beam roller straightenning 有限差分法在H型钢辊式矫直压下挠度计算中的应用
- As for a calculus of rational thought: dream on Leibnitz. 而对于推理思维，就继续莱布尼兹的梦想吧。
- And religion are endemic producers of finite provinces of meaning. 因为艺术和宗教制造出特定的意义领域。
- High dip finite difference depth migration. 大倾角有限差分深度偏移
- British mathematician and logician who developed a calculus of symbolic logic. 布尔，乔治1815－1864英国数学家和逻辑学家，建立了一种符号逻辑的演算法
