locus function

The stability of the closed-loop system is determined by the locus of characteristic transfer function.

利用特征传递函数的轨迹来判定闭环系统的稳定性。

The key point of SEA method is to determine the mission locus. However, the SEA method leads to the mission locus by the analytical function which is very difficult to reach at in practical situations.

系统有效性分析（SEA）方法是一种很有影响的系统评价方法，其中最关键的使命轨迹的生成是依赖于普通解析式的，这样严重影响了该方法的实用性。

Starting from the thermomechanics principles, a proper form of energy dissipation function in the process of soil deformation was introduced, from which the yield locus and flow rule in dissipative stress space were deduced.

从热力学定律出发，介绍了土体受力变形过程中能量耗散函数的合理表达形式，据此导出耗散应力空间中的屈服函数及流动法则。