中英互译

conditions of existence

基本释义

In this paper, we give the conditions of existence of positive almost periodic type solutions for some nonlinear delay integral equations.
本文利用不动点理论，给出了一类非线性延迟积分方程正的概周期型解的存在性条件。
The conditions of existence and uniqueness of the optimal control law is given and an algorithm of solving the optimal control law is proposed.
给出了最优控制律的存在唯一性条件，并提出了最优控制律的设计算法。
The modern laborer, on the contrary, instead of rising with the progress of industry, sinks deeper and deeper below the conditions of existence of his own class.
现代的工人却相反，他们并不是随着工业的进步而上升，而是越来越降到本阶级的生存条件以下。