联立微分方程
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Because the workpiece is in dynamic balance, the resultant moment acting on it should be zero. Introducing the moment from lapping tool and press head a moving differential equation is built. In this equation only workpiece rotating speed is unknown. It means that workpiece rotating speed can be got by this equation. Since there is a transcendental function in integral function of the equation an analytic result can not be got, only digital result can be got by a computer. Thus a change rule of workpiece rotating speed with lapping parameters is known, e.g. the radius of press disc ball socket, radius of press head ball, the distance between the workpiece rotating axis and lapping tool rotating axis, workpiece radius, modulus of elasticity of the press head and press disc, friction coefficients between the lapping tool and workpiece, and between the head and disc, pressure between the lapping tool and workpiece and pressure between the press head and press disc.
因工件处于动态平衡状态，其上所受到的来自于磨具和压头的力矩应相等，将二力矩表达式联立，建立工件运动微分方程，该方程中只有工件的旋转角速度是未知量，因此可以求出工件旋转角速度，但该方程积分式中含有超越函数，得不出解析解，只能通过计算机求出数值解，得出工件旋转角速度随各研磨参数的变化规律，如压盖球座半径、压头的球头半径、工件回转中心相对磨具回转中心的偏心距、工件半径、压头和压盖材料的弹性模量、磨具与工件间的摩擦系数、压头压盖间的摩擦系数、磨具与工件间的压强、压头压盖间的压力等。
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In this paper the rocket of 122mm, 20km is exampled, CADET is used in random ballistics system with the action of random wind by use of sharping filter when the differential equations of sharping filter and angle motion equations of ballistics are allied.
以某火箭弹为例，在随机风场作用下，利用纵风作用下的随机弹道系统成形滤波器，把成形滤波器的微分方程和外弹道角运动方程联立，对此系统采用协方差分析描述函数法，对火箭弹的散布进行了计算。
- 更多网络解释与联立微分方程相关的网络解释 [注：此内容来源于网络，仅供参考]
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simultaneous diagonalization：同时对角化
simultaneous confidence intervals 联合置信区间 | simultaneous diagonalization 同时对角化 | simultaneous differential equation 联立微分方程
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simultaneous differential equation：联立微分方程
simultaneous diagonalization 同时对角化 | simultaneous differential equation 联立微分方程 | simultaneous differential equations 联立微分方程
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simultaneous differential equations：微分方程组; 联立微分方程
Simpson's rule 森逊法则 | simultaneous differential equations 微分方程组; 联立微分方程 | simultaneous equations 联立方程
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simultaneous differential equations：联立微分方程
simultaneous differential equation 联立微分方程 | simultaneous differential equations 联立微分方程 | simultaneous equations 方程组
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simultaneous differential equations：微分方程组; 联立微分方程Btu中国学习动力网
simplify 简化Btu中国学习动力网 | simultaneous differential equations 微分方程组; 联立微分方程Btu中国学习动力网 | simultaneous equations 联立方程Btu中国学习动力网
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simultaneous partial differential equations：联立偏微分方程
simultaneous ordinary differential equations 联立常微分方程 | simultaneous partial differential equations 联立偏微分方程 | simultaneous peripheral operations on-line system 外围设备同时联机操作
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simultaneous ordinary differential equations：联立常微分方程
simultaneous operation 同时操作 | simultaneous ordinary differential equations 联立常微分方程 | simultaneous partial differential equations 联立偏微分方程
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simultaneous equations：方程组
simultaneous differential equations 联立微分方程 | simultaneous equations 方程组 | simultaneous estimation 联立估计