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。

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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。

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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。

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And, eventually, long overdue, he comes to an understanding of the true conditions of existence.

ECONOMIST: Nostalgia fiction

Most Basque political parties, still wrangling over forming a regional government after last month's elections, talk also of the existence of favourable conditions for peace.

ECONOMIST: Spain and ETA

Just last week Brazil and its allies in the Southern Cone supported the inclusion of Venezuela in Mercosur, the South American common market, despite Chavez's anti-democratic practices which contradicts the group's clause that conditions membership on the existence of fully democratic institutions.

CENTERFORSECURITYPOLICY: A closer look at Brazil's foreign policy