本文采用全位势方程，在超音速区采用虚拟气体假设，给出了跨音速无激波翼型设计的一种方法。
In this paper, a method for the transonic shock-free airfoil design, based on the full potential equation, using "fictitious gas" assumption, is presented.
根据下三角系统的结构特点，将系统每个微分方程中的高阶状态用作虚拟控制进行设计，通过循环设计最终得到系统控制所需要的控制策略。
Owing to the character of structure of lower-triangular system, the high-rank state of each differential equation is used as virtual control, then the control law is constructed by recursive design.
构建了适合EEDM方程应用的虚拟热力系统，确定了各类辅助汽水成分在EEDM方程中的通用表达规则。
Therefore, the paper constructs the virtual thermal system, which is adapted to EEDM equation, and proposes the universal expression rules of each auxiliary steam-water component.
建立了一种混联型虚拟轴机床主进给机构位置分析的输入输出方程，并推导出奇异位形判别的解析表达式。
An analytical expression for determining singularity configuration which is a polynomial equation is set, and the numeric symbolic manipulating technique is introduced in the paper.
开发了虚拟混沌特性显示仪，对混沌方程进行特性分析。
The virtual chaos character shower is developed through which the chaos character is analyzed.
将吸附带以某一虚拟速度运动，通过物料衡算可以建立固定床吸附操作模型方程。
Supposing adsorption belt moves at a suppositional rate, the adsorption model equation in fixed bed can be set up through material calculation.
模型的不确定性(模型误差)是通过建立的虚拟观测方程来考虑的。
The model uncertainties or model errors also can be considered through some fictitious observation equations.
建立了一种混联型虚拟轴机床主进给机构位置分析的输入输出方程，并推导出奇异位形判别的解析表达式。
The input output equation of displacement analysis for the main feed mechanism of a new type hybrid virtual axis machine tool is established.
满足所有相容性方程的虚拟赋值变量的值即为其真实值。
The imaginary inputs satisfying all the compatibility equations are the true kinetostatics parameters.
在ADAMS软件中建立虚拟样机模型，验证了运动学方程的正确性。
The virtual prototyping model was built by utilizing the dynamics analytical software ADAMS of mechanical system.
在ADAMS软件中建立虚拟样机模型，验证了运动学方程的正确性。
The virtual prototyping model was built by utilizing the dynamics analytical software ADAMS of mechanical system.
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