添加端口 firewall-cmd --zone=public --add-port=80/tcp --permanent （--permanent永久生效，没有此参数重启后失效） 重新载入 firewall-cmd --reloa

Based on what is known, scientists have drawn up a list of the three most likely ultimate fates.根据已知的信息，科学家列出了三种最有可能发生的终

问题描述：Windows 10，更新了VirtualBox，不知道怎么操作的，无法打开虚拟机了，显示无法为虚拟机创建一个任务，错误代码为code E_FAIL (0x80004005) VBoxManage.exe: error: Deta

###very early universe inflation（极早期宇宙暴胀）The period of inflation began 10^-36^ seconds after the big bang and lasted bet

After the nuclear epics,about 380,000 years from the big bang, the temperature continues to cool, and electrons are capt