Fork to create a new child process with new pid.
使用fork创建一个具有新的PID的子进程。
Run an echo command in a new shell and echo that shell's pid.
在新shell中运行一个echo命令并回传该shell的pid。
In both cases, pid is the process id of the current process executing the command.
在这两种情况中，pid是正在执行命令的当前进程的进程id。
It represents a job number and a process id (PID).
它显示一个作业编号和一个进程ID (PID)。
The return value (PID in the above example) is a process identifier.
返回值（上例中的PID）是进程标识符。
A simple design method of PID self-tuning predict control is given.
论述了PID自校正预测控制器的一种简单设计方法。
Currently the traditional PID control is used in the central air-condition system.
当前中央空调系统的控制主要采用的还是传统的PID控制。
After reading a line, the PID is written to the out file.
在读取一行之后，将PID写到输出文件。
Use /proc/PID/task to count active threads
使用 /proc/PID/task计算活动线程数
The process id is just left of that, in the column labeled PID.
进程的id在其左边的标签为PID的栏中。
The process id value is bound to the variable Pid.
进程id的值绑定到变量pid。
This code obtains the PID string and ITEMTYPE name from the event data.
这些代码能从事件数据获取PID字符串和ITEMTYPE名称。
And evaluate the performance of PID controller by the step response of the system.
并通过系统响应曲线图对设计的PID控制器的性能进行评估。
Temperature control system based on no touch switch has realized PID control.
温度控制采用无触点的开关控制，并实现了PID调节。
This article researches the intelligent PID control algorithms carefully.
本文详细研究了智能PID控制方法。
The advantage and defect of PID in engine control is analyzed.
本文分析了传统的PID控制理论在发动机控制中的优缺点。
This paper presents an Expert PID control strategy to control the temperature of the humidifier.
本文基于专家PID控制策略来控制加湿器的温度。
It is very difficult to attain the decent control result to use normal PID control.
用常规的PID控制很难达到令人满意的控制效果。
Traditional PID control is used to control the water pressure.
对声管内液体的压力控制将采用常规的PID控制。
We use PID control and fuzzy decision to fulfill the motion trajectory control.
我们采用PID控制和模糊决策来共同实现其运动轨迹控制。
Expert system PID is the controller based on expert experience.
专家系统PID是基于专家经验的一种控制器。
But its own control function is limited, most configuration software only have PID control module.
但组态软件本身的控制功能有限，一般只具有简单的PID控制模块。
At present, the mainly method used in glass furnace temperature control is PID control.
玻璃窑炉温度系统现有的控制方法主要是传统的PID控制。
Most of speed controllers of main engine in ship use PID control method.
船舶主机的调速器主要采用比例积分微分(PID)控制规律。
The principle of intelligent PID method is described.
论述了智能PID方法的基本原理。
PID control is the most common control method used in automatic control.
PID控制是自动控制中应用最广泛的一种控制方法。
So this article adopt PID control tuned by BP neural net.
因此，本文采用BP神经网络整定的PID控制。
Based on fuzzy control PID, energy saving method of constant power factor is achieved.
在模糊控制PID方法基础上，实现了恒定功率因数节能控制。
In microcomputer application system, real time control can be fast and accurate by PID algorithm.
在微机应用系统中，使用PID算法实现参数控制，可以取得快速、精确的控制效果。
MCU and PID control keep temperature more precise and steady.
采用微电脑mcu及PID控制，温度更精确，更稳定。
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