double-rail logic是什么意思

用法例句

Regarding the financial evaluation of reserved double line project, the paper carries out an analysis to the currently applied "net present value method" and introduces the thoughts of "real option" to fully consider the uncertainty of time for railway double line construction.

铁路项目财务评价在项目决策中具有重要作用,针对铁路预留双线项目的财务评价问题,对目前采用的净现值法进行分析,引入实物期权思想,充分考虑铁路双线建设时间的不确定性,在Black-Scholes公式基础上建立铁路预留双线项目评估模型,并利用该模型对某铁路项目进行案例分析和验证。

Application of bilinear flow model for finite conductivity vertical fractures;

有限导流垂直裂缝双线性流动模型的应用

Design of tracking control system of bilinear D.C motor with an observer;

带有观测器的双线性直流电动机跟踪控制系统的设计

Generalized predictive control algorithm of bilinear system;

一种双线性系统的广义预测控制算法

According to non-Darcy percolation law in low permeability reservoir, a numerical model for bilinear flow in vertical fracture well under normal flowing pressure is established and solved, and productivity curve is drawn and analyzed.

根据低渗透油藏的非达西渗流规律,建立并求解了常流压条件下垂直裂缝井双线性流数学模型,绘制并分析了产能理论曲线。

Improving the thread pitch precision of double thread;

如何提高双线螺纹的螺距精度