1) modal approximation
模态近似法
1.
Pressure response performance of closed chamber is obtained by numerical simulation on the basis of each hydraulic component mathematics model,and pipe lumped parameter model that is given based on the modal approximation of pipe distributed parameter modal,then the verification experiment for simulation results is conducted.
针对板料拉深成形微能耗压边系统的关键技术—封闭容腔液体压力伺服控制,建立了系统的物理模型;基于节点法建立了模型中各元件的数学模型,同时考虑管道效应,应用模态近似法建立了管道集中参数动态模型。
2) steady-state approximation
稳态近似法
1.
During the process of consecutive first-order reaction, the trend of the intermediate is largely determined by the ratio of the rate coefficient; therefore this case leads to an important method:steady-state approximation.
在连续反应中,速率系数的比值很大程度上决定了中间产物浓度的走向,并由此引出了一个重要的方法:稳态近似法。
3) Approximate normal distribution method
正态近似法
4) energy-state approximation method
能态近似法
1.
We now propose energy-state approximation method to reduce greatly such shortcomings.
针对间接法中,终端积分时间在迭代前后无法相同这一问题,介绍了能态近似法在再入飞行器三维轨迹最优化问题中的应用。
5) simulation approximate method
模拟近似法
1.
This paper studies the transportation question through establishing differential equation model,with which research the traffic flow and the braking effect of vehicles through crosses,as well as the collision between public transportation and the taxis by simulation approximate method.
用模拟近似法建立微分方程模型来研究交通问题,通过模型准备、建立、分析、求解研究交通流量,车辆通过交叉路口时的刹车效果,以及公交车和出租车避免相遇,减小车流量。
6) stable approximate treatment
稳态近似处理法
补充资料：磁势的近似计算法
磁势的近似计算法
approximate calculation method of magnetic potential
e lsh一deJ一ns一Jlsuonfo磁势的近似计算法(approximate Caleulationmethod of magnetie potential)利用简化公式求解磁路磁势近似值的方法。磁路的总磁势可用下式表示: IN=(IN)。+(IN)。+(IN)。(1)式中(IN)。为消耗在工作隙的磁势;(IN)。为消耗在磁导体中的磁势;(IN)。为消耗在非工作隙的磁势。通常(IN)。和( IN)。之和与总磁势IN的关系为 (IN)。+(IN)n=a(IN)(2) ，N一鲁(3)工作隙的磁势等于其磁位降 (IN)。二=Bol。(4)式中刀。为工作隙的磁感应强度;Z。为工作隙的长度。将式(4)代入式(3)，则 ，、一概(5)式中a为系数，a一。.15一0.3。当磁路中的非工作隙大，磁导体的磁感应强度很高时，由于磁阻增大，a将增加。利用此法计算磁路时，需有较丰富的设计经验。 (孙仲元)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条