央视禁播内部春晚完整版
闭路电视：闭路电视 (CCTV: Closed Circuit Television)
CCTV is an abbreviation of Closed Circuit Television. It is also called as "video surveillance". In this system, there is a direct connection in the elements like video camera, display monitors, recording devices, etc. It is used to monitor a specific area that is quick to detect and requires continuous monitoring and the area where there is not much attention and seldom someone who can keep observation most of the time. Most of the activities are monitored by it and recorded by it which makes it very obliging to keep away from an offense. By identifying the presence of overcrowding and observing the damage and injury, it is also used for monitoring traffic.
闭路电视是闭路电视的缩写 。 它也被称为“视频监视” 。 在此系统中，摄像机，显示监视器，记录设备等元件之间存在直接连接。它用于监视快速检测并需要连续监视的特定区域以及不多关注的区域而且很少有人可以在大多数时间保持观察。 它监视并记录了大多数活动，因此非常有必要远离犯罪。 通过识别过度拥挤的存在并观察损坏和伤害，它还可用于监视交通。
CCTV to transmit the network signals or transmits to the monitor or devices of recording; it uses wired or wireless communication. It can broadcast audio and video or any one of them. To record images that are in low light, advance CCTV cameras also have night vision proficiency. For the objective of security, CCTV signals are not generally dispensed but are monitored.
CCTV传输网络信号或传输到监视器或记录设备； 它使用有线或无线通信。 它可以播放音频和视频或其中的任何一个。 要录制低光下的图像，高级CCTV摄像机还具有夜视能力。 为了安全起见，通常不分配CCTV信号，而是对其进行监视。
Fundamental Components of CCTV are,
央视的基本组成部分是
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Security Cameras (Analog or Digital)
监控摄像头(模拟或数字)
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Cables (RJ45 or RJ59 Cables)
电缆(RJ45或RJ59电缆)
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Video Recorders (DVR or NVR)
录像机(DVR或NVR)
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Storage Unit (usually a Hard Disk)
存储单元(通常是硬盘)
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Display Unit (optional, usually a monitor)
显示单元(可选，通常是监视器)
Locations where CCTV cameras are typically placed are,
通常放置CCTV摄像机的位置是
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Banks
银行业务
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Shops and multiplexes
商店和多元化
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Casinos
娱乐场
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City Roads and Highways
城市道路和高速公路
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Building and Residential Apartments
建筑和住宅公寓
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Corporate Houses
公司房屋
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Government Offices and Buildings
政府机关及建筑物
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Airports and Railway Stations
机场和火车站
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Industrial plants etc
工业厂房等
In Germany, the first CCTV was installed by Siemens AG at Test Stand VII in Peenemunde. The German engineer Walter Bruch credited for this plan and design of technology and installation of this system of monitoring.
在德国，西门子股份公司在Peenemunde的Test Stand VII安装了第一台CCTV 。 德国工程师沃尔特·布鲁赫(Walter Bruch)为这项计划和技术设计以及该监控系统的安装做出了贡献。
优点 (Advantages)
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The moment a thief clearly understands that he is under the surveillance of CCTV, he will tend to choose to go somewhere else and that makes these CCTV systems a substantial hindrance to thieves.
小偷清楚地知道自己受到CCTV的监视后，就会倾向于选择去其他地方，这使这些CCTV系统成为小偷的一大障碍。
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The fear of offense diminished by CCTV cameras.
闭路电视摄像机减轻了人们对进攻的恐惧。
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Remote monitoring made easier by CCTV cameras.
闭路电视摄像机使远程监控变得更加容易。
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The business productivity is increased by the CCTV cameras and also it improves profitability.
闭路电视摄像机提高了企业生产率，并提高了盈利能力。
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For home security, it can be the finest choice for use.
对于家庭安全而言，它可能是最好的选择。
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The risks for shoplifters are increased by CCTV cameras.
闭路电视摄像机增加了入店行窃者的风险。
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The police in investigating offense get valuable support from CCTV footage.
负责调查犯罪的警察从闭路电视录像中获得了宝贵的支持。
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CCTV's are always helpful in keeping records of when the staff is coming into and going out of the site.
闭路电视始终有助于记录工作人员进出现场的时间。
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CCTV's are also helpful when deliveries are made or when visitors enter the building, it can make sure everything works without any friction.
交付时或访客进入建筑物时，闭路电视也很有帮助，它可以确保一切正常进行而不会产生任何摩擦。
翻译自: https://www.includehelp.com/dictionary/cctv-full-form.aspx
央视禁播内部春晚完整版