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- Do you know how to solve the differential equation? 你知道如何解这个微分方程吗?
- On the basis of the differential equation for decline of production by Arps, J. 本文从Arps;J.
- Euler then shows how he can get the differential equation whose solutions are called cylinderical waves. 然后,尤拉展示他怎样得到其解称为圆柱波的微分方程。
- Secondly,the solutions to the differential equation are obtained by means of Laplace's transform method. 建立液压伺服机构的微分方程和导出传递函数。
- By a transient is meant a solution of the differential equation when there is no force present, but when the system is not simply at rest. 瞬变态是指当没有作用力存在,且系统不是简单地处于静止时,微分方程的一个解。
- The differential equation of the heat transfer of the ceramics honeycomb in the regenerator is translated into nondimensional equation and calculated. 将蜂窝陶瓷蓄热器的热交换方程转化为无量纲量的微分方程,并进行了数值计算。
- Based on Fermat Theory,this paper sets up the differential equation of the ray track in the atmosphere,and explains the mirage phenomenon. 利用费马原理建立了大气中光线轨迹的微分方程 ,并解释了“空中绿洲”这一光学现象。
- Then,the mathematical model established becomes (dr)/(dp)=-kr. Results The solution of the differential equation is r(p)=r(p_0) exp [-k(p-p_0)]. 结果求解微分方程,得出衣原体感染率与安全套使用率的函数表达式为:r(p)=r(p_0)exp[-k(p-p_0)]。
- The differential equation for the frictional resistance on the drillstring during tripping in high-deviated holes and horizontal holes was established. 建立了大斜度定向井及水平井起下钻过程中钻柱摩擦阻力微分方程,并推导得到钻柱摩阻的解析解。
- This thesis puts forward the differential equation and curvilinear equation of stay cabls, and anayles the relevant, with unique visual angle. 摘要从独特的视角给出了斜拉索的基本微分方程和曲线方程,并对相关结果进行了分析。
- The differential equation of pump station start-up transient is established and derived from discharge balance and moment equation of pump unit. 摘要本文从水量平衡及水泵机组力矩方程出发,建立起水泵从起动到同步的微分方程式。
- A finite element model of intelligent beam has been formulated to derive the differential equation and the energy equation. 同时,根据有限元理论,推导了智能梁离散系统的动态微分方程及能量方程。
- The formulae for the press line of mud pipes are educed by establishing the differential equation for turbid water of perforated mud pipes. 本文通过建立穿孔排泥管泥水流的微分方程,导出排泥管内压力线公式,建立了排泥管开孔比与积泥均度的关系,为等间距布孔方法提供理论依据。
- We wrote down the differential equation of the acoustic reflex dynamic system, and deduced the corresponding transfer function. 建立了声反射动态系统的微分方程,进一步推导出相应的传递函数。
- This paper presents theoretically the differential equation group of heat and mass transfer process in the plate evaporative air coolers. 摘要根据热力学和传热学理论,建立了板式间接蒸发式空冷器传递过程的微分方程组。
- The differential equations of motion of the systems are established. 建立了系统的运动微分方程;
- First, the differential equations of motion of the system are established. 列出系统的运动微分方程。
- Four-order-Runge-Kutta method is used to compute the differential equations. 该软件中对微分方程组的求解采用四阶龙格-库塔法。
- But how can we solve the differential equation with variable coefficient and the differential equation whose inhomogeneous term doesn't belong to the basic form. 但是对于变系数的及非齐次项不属于基本类型的微分方程,如何求解?
- Based on the multi-body dynamics and Lagrange equation, the differential equation of rigid motion of the four-bar placer jib of a concrete pump truck is deduced. 摘要基于多体动力学理论和拉格朗日方程建立了四节臂混凝土泵车臂架的刚性运动微分方程。
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