2) virtual measure method
虚设测站法
3) virtual channel segment
虚设河段法
1.
The formula of internal boundary conditions,such as drainage outflow,barrage,slice gate and drainage pump station,with double-recursion algorithm are deduced by using the concept of virtual channel segment.
基于邻接矩阵和邻接表概念,提出了新的拓扑结构,即利用net、edge和node对象实现河网拓扑信息及河道断面和结点信息的储存;基于虚设河段法,推导出城市河网内边界即集中入流(雨水管出口)、闸堰的追赶系数,从而实现了基于GIS平台的城市河网非恒定流一维数值模拟程序的通用性和可移植性。
4) imaginary mechanism method
虚设机构法
1.
By the use of imaginary mechanism method, the first-ordered synthetic effect coefficient matrix of the mechanism under the status of primary configuration and a translation along x-axis was derived.
利用虚设机构法导出了机构在初始位形下和沿X轴移动时的一阶综合影响系数矩阵,建立了动平台输出速度与输入速度之间的关系,并绘制了速度和加速度的曲线图。
2.
Then,the first and second influence coefficient matrixes of velocity and accelertion of each link are established by using imaginary mechanism method,thus,the problem that velocity and acceleratoin of each link are difficult to solve is solved in inertial force so lution.
然后利用虚设机构法建立机构中各杆件的速度、加速度的一、二阶影响系数矩阵,从而解决了少自由度关联机构惯性力求解中各杆件的速度和加速度难以求解的问题。
5) virtual hinge method
虚设铰链法
1.
In this paper,a new method called virtual hinge method to solve the position of the advanced mechanism is put forward.
提出了解决平面高级杆组位置问题的一种新的方法———虚设铰链法。
6) imaginary source method
虚设场源法
补充资料：虚设
1.空安置。 2.谓虚撰﹐空谈。 3.空许。
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