The outsider must know the port number and the password to use SSH, as well as the knock sequence required to open that port and enable the password.
外面的用户必须知道使用SSH所需的端口号和密码，还必须知道打开端口并启用密码所需的敲门序列。
Several handsome doors, which were always open and upon which opportunity tended to knock, lead to the restored Capitol's interior.
几个很漂亮的门总是开着，机会常来敲它们。 门后面是国会议厅的内部。
Oh! it is Green,' I said, recollecting myself--`only Green,' and I went on, intending to send somebody else to open it; but the knock was repeated: not loud, and still importunately.
“啊，那是格林，”我说，镇定着自己--“就是格林，”我仍然向前走，打算叫别人来开门；可是门又敲起来：声音不大，仍然很急促。
To wit: open-source knock-offs of familiar games and genres, ports of old first-person shooters such as Quake II and Doom and lots of classic game console emulators.
换言之，这个平台就是：相似游戏和风格的开源复制品，类似《雷神之锤 Ⅱ》和《毁灭战士》的早期第一人称射击游戏端口，以及众多经典游戏的主机模拟器。
And then finally there comes a knock on the door and you open it up and you realize that something different is finally going to happen.
最终敲门声响了，你打开门，意识到变数终于发生了。
To knock it, otherwise the door wil not open for you.
去敲门吧，否则门不会为你而开。
Usually in the open kitchen renovation is to knock down a wall of the kitchen, made an open kitchen.
一般在装修开放式厨房时都是将厨房的一面墙打掉，做成开放式厨房。
If I want to knock on your door, would you give me an open?
如果我想要敲开你的心扉，你可以开个门吗？
Every day I knock the door, to make sure the door is open for me.
我每天敲门，确认天国之门为我打开。
I will not knock it down and try to open it up to get the birds out.
一头把那玩意撞倒弄开是不可能搞出鸟来的。
If the door open on an invitation means that, at this time can be gently knock on the door of the office to show respect for the masters, and then will naturally be welcomed.
假如门敞开着就意味着一种邀请，这时便可以轻轻拍门以示对办公室主人的尊重，随后就会天然而然受到欢迎。
The control of ignition advance Angle is mostly open-loop control and the control data is obtained from experiment. Close-loop control method is applied to avoid engine knock.
对点火提前角的控制主要是开环控制，控制数据由试验得到，对爆震现象采取了闭环控制。
The control of ignition advance Angle is mostly open-loop control and the control data is obtained from experiment. Close-loop control method is applied to avoid engine knock.
对点火提前角的控制主要是开环控制，控制数据由试验得到，对爆震现象采取了闭环控制。
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