According to the technological requirements, the closed loop control system models of automatic feeding and dynamoelectric control gap are built based on PID control principle.

按照系统的技术要求，基于PID控制原理搭建自动喂料和电动闸距闭环控制模型。

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The poll also found rise in people who strongly favor stricter gun control, 44%, and a double-digit gap between them and the 32% who say they strongly oppose stricter gun control laws.

CNN: SHARE THIS

Ultimately, purposeful tellers must surrender control of their stories, creating a gap for the listener(s) to willingly cross in order to take ownership.

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Over the three-year observation period, the African-American students who took part in the study had higher grade-point averages relative to multiple control groups, and the minority achievement gap overall was reduced by a dramatic 50%.

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