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。
Use /proc/PID/task to count active threads
使用 /proc/PID/task计算活动线程数
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)。
Define the path and name of the PID file.
确定PID文件的路径和名称。
In this system, PID control strategy was applied.
在本系统中，采用PID调节。
The process id value is bound to the variable Pid.
进程id的值绑定到变量pid。
The principle of intelligent PID method is described.
论述了智能PID方法的基本原理。
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。
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。
There is the PID adjusting function in soft ware program.
在程序中使用了PID调节功能。
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。
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。
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。
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。
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。
And explained the basic principle of PID control in simple terms.
并对PID调节的基本原理进行了深入浅出的讲解。
And PID controller had been applied to the actual system to debug.
并将PID控制器应用到实际系统上，进行了实物调试。
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。
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。
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。
The classic PID control method is simple, but the accuracy is not high.
经典的PID控制方法简单方便，但是精度不高。
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。
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。
At last, the strategy of the fuzzy control adjusting PID is put forward.
最后提出了模糊控制调节pid参数的控制策略。
This article researches the intelligent PID control algorithms carefully.
本文详细研究了智能PID控制方法。
Therefore, the traditional PID regulator can not achieve the desired result.
因此，采用传统的PID调节不容易达到理想效果。
PID control is the most common control method used in process control by now.
PID控制是迄今为止在过程控制中应用最为广泛的控制方法。
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。
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