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Then a 2D velocity function was used to approximate the velocity distribution of entrained flow to simplify the fundamental equation. 然后用一个二维函数来近似引射流的速度分布，对导出的基本方程进行简化；
In line with this concept, the author improves the fundamental equation of dynamic stress that ASME published early, derives again, and point out the gateway to reducing the resonance stress of the blade. 本着这一观念对 ASME早期发表的动应力基本方程进行改进 ,重新作了推导 ,并指出了降低叶片共振应力的途径。
This paper gives the fundamental equation of electric circuit of switched reluctance generator(SRG).The phase flux linkage,indutance and phase current of SRG are discussed based on unsaturated magnetic circuit. 给出了开关磁阻无刷发电机的相电路基本方程，分析了基于不饱和磁路条件的相磁链、相电感和相电流。
Basing on fundamental equations of three dimensional elasticity,and introducting dirac function,a state equation is established. 基于三维弹性力学的基本方程 ,引入Dirac函数 ,导出了周边固支叠层板的状态方程。
macroscopic fundamental equation 宏观基本方程(式)
Improvement of fundamental equation of water hammer 水击基本方程的改进
the fundamental equation of wave mechanics. 波动力学的基本方程。
The fundamental equations of the HPM propagation in the atmosphere under the beam flux one-dimension assumption are given. 给出了束流1维近似下微波大气传输的基本方程组。
thermodynamics fundamental equation 热力学基本方程
displacement fundamental equation 位移型基本方程
fundamental equation of manufacture 制造业基本方程
In the Chapter 2, the parameters variable and the control strategy of FNNS are presented based on the analysis of philosophy and fundamental equations and control strategy in DTC. 第二章在分析直接转矩控制的工作原理、基本方程、控制方案的基础上，给出了神经网络及模糊控制系统的参戮变量及控制策略。
Then we provide a rigorous and sound theoretical basis of variational finite element method and boundary element method for calculating the accurately fundamental equations. 从而为求取较为精确的入水冲击问题基本方程的变分有限元及边界元方法奠定了严密的理论基础.
His fundamental concern was for her welfare. 他最关心的是她的幸福。
At this time another fundamental change occurred. 这时候又发生了一个根本性的变化。
Next, according to the contact conditions between the pin and the plate, and by using the expressions mentioned above, and the FEM, the fundamental equations for stresses analysis around the hole are established. 然后,根据轴销与孔边相接触节点间所应满足的接触条件,综合应用上述解析表达式和有限元素法,建立分析孔边应力的基本方程。
On the basis of fundamental equations of three-dimensional problem of elasticity, series of asymtotic equations of torsion problem of closed thick toroidal shell has been established by expanding a power series with a small parameter. 基于弹性力学三维问题的基本方程组,利用小参数幂级数展开的方法,建立了闭合厚环壳扭转问题的渐近方程组,并以子午截面边介线为同心园及偏心园的厚环壳为例,说明了渐近方程组的解法及其解的渐近特性。
I can't make this equation come out. 我不会解这个方程式。
From the fundamental equations of AC servo system, using the principle of coordinate transformation of vector a concise mathematical model is deduced, the speed examination arithmetic of PMSM is obtained. 摘要根据交流伺服电机的工作原理，利用矢量坐标变换原理，推导出交流永磁同步电动机的矢量控制数学模型，得出了交流永磁同步电动机速度检测算法。
A set of fundamental equations that consist of four formulae and contain seven pitch parameters is established through the pitch cone geometrical relationship of a pair of hypoid gears. 通过准双曲面齿轮副的节锥几何关系,建立了包含7个节锥参数并由4个方程构成的节锥参数基本方程组。