The system function opens a sub shell and executes the contents.
system函数打开一个子shell并执行相关内容。
When a command or the bash shell itself initiates (or spawns) a new shell sub-process to perform a task, it is known as forking.
命令或bashshell本身可能启动(或生成)新的shell子进程以执行某一任务，这称为forking。
The sub-shell (wrapped in parentheses) performs a series of tasks-albeit sleep delays in this contrived example-and emits output to a Zenity progress meter via a pipe.
sub -shell(包含在括号中)执行一系列任务—在这个人为例子中albeitsleep延迟—且通过一个管道将输出发出到一个Zenity过程表。
When a shell launches a command, such as cp or ls, it spawns a new process for the command, and then waits for the (sub)process to finish before proceeding.
当Shell 运行某个命令（如cp或 ls）时，它会为该命令产生一个新进程，然后在继续之前等待该（子）进程完成。
The model includes sub models for key components, such as non economized compressor, economized compressor, economizer, expansion valve, shell and tube condenser, and flooded evaporator.
模型由一系列部件模型组成，包括压缩机、经济器、膨胀阀、壳管式冷凝器以及满液式蒸发器。
In order to reduce the intractable shear locking effect, a macro triangular partition shell element is formed with three individual sub-triangular domains.
针对剪切闭锁效应，本文引入一种基于假设自然应变方法的宏观三角形分区平板壳单元。
The intrinsic (sub)shell structure and core (valence) shell structure of atoms from the first- to the fifth- row in the periodic table are evaluated.
依据该理论，对前五周期原子的内禀（亚）壳层结构、内实（价）壳层结构进行了研究。
The measurement results and analyses shows that the sub-harmonics in, loudspeaker shell are caused by the interaction of vibration modes.
对扬声器的非线性分谐波的测量分析表明，扬声器薄壳分谐波的产生源于扬声器薄壳模态的相互作用。
Two kinds of super element generalized-wall-element and elastic-slab-element are defined, which are condensed from shell element based on the theory of sub-structure, SATWE is based on the model.
SATWE引入两种超单元：通用墙元和弹性楼板单元，采用子结构理论用在壳元基础上凝聚而成的墙元模拟剪力墙。
The reset switch is very short, and intended for use with a small sub-PCB immediately underneath mounted to the top of the shell.
复位开关很短，和一个小分立即下安装在罐壳顶部的电路板使用。
The reset switch is very short, and intended for use with a small sub-PCB immediately underneath mounted to the top of the shell.
复位开关很短，和一个小分立即下安装在罐壳顶部的电路板使用。
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