#!/bin/bash clear echo "Hello world!" The first line tells the operating system what shell to use to interpret the script and the location of the shell. Double quotes do not prevent Bash from ...
如果使用多进程线程，在模拟时间准确性上会有困难，并且运行程序可能需要等待真实时间。 借助离散事件系统仿真Salabim库 ...
This version of GRFICS is organized as 5 VirtualBox VMs (a 3D simulation, a soft PLC, an HMI, a pfsense firewall, and a workstation) communicating with each other on host-only virtual networks. For a ...
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