该文介绍了一种基于单片机AT89S51的可视对讲系统，分析了门口机、室内机、管理机的原理和功能。
Visual-speaking system based on AT89S51 is introduced in this paper. The structure and function of entrance machine, resident machine and supervisor are analysed.
文中给出了系统中各个硬件模块相应的软件设计，详细论述了管理机、门口机以及住户分机对应的软件流程策划方案。
In the article, it gives the software design of each hardware module in the system, and narrates the software flow plan of supervisor, entrance machine and resident machine in detail.
不是，是个大超市。超市门口有几个自动取款机。
你可以在银行门口的自动柜员机里取款。
You can draw money from the automatic teller machine at the gate of the bank.
在食堂门口设有查询机，就餐人员可以自行查询饭卡的消费情况、餐补发放情况、饭卡充值情况。
There exists one inquiry machine at the entrance of canteen. We can query consumption information, meal allowance and etc.
门口还有微型摄像机，能将客人的面貌特征输入电脑。
A miniature video camera was installed at the door which would feed visitor's facial features into the computer.
这个年轻人了解了，拖下他的外套走到门口，但是他并为因此离开了房子，他回头和贝莎说，“你并不是在寻找可以嫁的人。”你要找的是一台电视机。
The young man got up, took his coat and went to the door, but before he left the house, he turned and said to Bertha, "It isn't a man you're looking for."
如果你的保安摄像机不仅能看到谁在你门口，还能判断出他们是否是你在等的人，从而通知你并让他们进来，会怎么样？
What if your security camera could not only see who's at your door, but also identify whether it's a guest you're expecting, alert you when they arrive, and let them in?
不是，是个大超市。超市门口有一个ATM机。
从新华南路市拖拉机厂门口经过市卷烟厂拾阶而上，约二十分钟就可到达。
Xinhua South Road from the city of tractor factory's gate, climb the stairs and through the city, but on the cigarette factory, about 20 minutes you can reach.
618xr型X光安检机是专为快速检测、搬迁便利、并且可通过狭窄的轮式门口的需求研发设计的，使其成为学校，宾馆，会议中心和会展及大型活动等场所的不二之选。
The 618xr was designed for rapid relocation and can be wheeled through narrow doorways, making it an excellent system for schools, hotels, convention centers and event-based security requirements.
618xr型X光安检机是专为快速检测、搬迁便利、并且可通过狭窄的轮式门口的需求研发设计的，使其成为学校，宾馆，会议中心和会展及大型活动等场所的不二之选。
The 618xr was designed for rapid relocation and can be wheeled through narrow doorways, making it an excellent system for schools, hotels, convention centers and event-based security requirements.
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