It is proposed in this paper that a relay regulating loop be added in the hoist current signal of large power shovel so that rational coordination between hoist and crowd capacities can be obtained.

本文提出在大型机械式挖掘机的提升电流信号回路中，增加继电器调节环节的方法求得提升力与推压力的合理匹配。

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The new media adds an important income source for sports; the sports organization has created the large amount wealth for the sports by selling relay power, and so on.

新媒体的介入还使体育多了一个重要的收入源，体育组织通过出售转播权等形式，为体育创造了巨额的财富。

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Based on relay feedback self-tuning technology, self-tuning method of multivariable PID controller for coordinate control system of large scaled fossil-fired power unit is stated.

基于继电反馈自整定技术，提出了燃煤大型火电机组协调控制系统多变量pid控制器的自整定方法。

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