The circuitry of PQS serial control panel for controlling lifting mechanism has some shortcomings in practice due to limitations in the original design.

用于控制起升机构的PQS系列控制屏线路，受最初设计时条件限制，在应用中存在一些缺点。

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This paper studies the dynamic characteristics of Electro hydraulic Position Servo System, and proposes a method of equivalent flow feedback to realize serial control.

针对单回路电液位置伺服系统的动态特性，提出了一种等效流量反馈的控制方法，从而实现了串级控制。

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The design adopts serial control mode, in this case there are only two controlling lines between the single chip microcomputer system and the driver of the step motor.

单片机对步进电机的控制有串行控制和并行控制两种方式。本设计采用的是串行控制方式，此方式下单片机控制系统与步进电机驱动器之间只有两条控制线。

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This sort of proof-by-assertion is all too familiar to those who used to confront the unwillingness of some in the U.S. intelligence community to recognize that the Soviet Union was a state sponsor of terror and a serial violator of arms control agreements.

CENTERFORSECURITYPOLICY: 9/11 Commission fails to connect terror dots

The smaller models of the Digital Studio series use a built-in graphics adapter in the Intel 810 chipset, the circuitry that is normally used to control other components of the motherboard such as the PCI bus, and the serial and parallel ports.

CNN: Sony Digital Studio allows professional video editing on a PC