本文利用比较方法讨论延滞系统解的整体存在性问题，得出延滞系统解的整体存在性的若干判别准则。
In this paper, we use the comparison method to discuss the global existence of solutions of a delay-differential system. Some criteria for the global existence of RFDE are given.
即使消费性电子商品也受到影响，例如全球定位系统必须考虑时间延滞，以修正人造卫星上时钟的速度。
Even consumer electronics is affected-the Global Positioning System must allow for time dilation, which alters the rates of clocks on its orbiting satellites.
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