安全通信

Adopt an automation to control the labour intensity being able to improve the product efficacy and lighten a worker not only, and have very good economic returns and social benefits on electroplating production line, wielding PLC is that the automation controls , PLC has reliability height can come true , adaptability has communication function , the modularized characteristic of structure broadly on electroplating production line,therefore how to use good PLC to have become the key that the electroplating production line automation controls , use PLC to add up with frequency transformer carrying out autocontrol on electroplating automation production line bridge crane, Having the structure simplicity , the programming going to the lavatory , handling nimbly , using safety , job stability , strong characteristic of reliable and anti-interference ability of function, is one kind of effective autocontrol way , is that electroplating produces the direction realizing high-effect .

在电镀生产线上采用自动化控制不但可以提高产品生产效率和减轻工人的劳动强度，而且有着非常好的经济效益和社会效益，电镀生产线上运用PLC则可以实现自动化控制，PLC具有可靠性高，适应性广，具有通信功能，结构模块化的特点，因此如何使用好PLC成了电镀生产线自动化控制的关键，用PLC辅以变频器对电镀自动生产线行车进行自动控制，具有结构简单、编程方便、操作灵活、使用安全、工作稳定、性能可靠和抗干扰能力强的特点，是一种很有效的自动控制方式，是电镀生产实现高效、低成本、高质量自动化生产的发展方向。

Article 12The establishment of airspace shall take into consideration such factors as the national security, the flight requirements, the capability of flight control, the availability of communication, navigation and radar facilities and the locations of aerodromes and environment protection.

第十二条空域的划设应当考虑国家安全、飞行需要、飞行管制能力和通信、导航、雷达设施建设以及机场分布、环境保护等因素。

With its extensive use in many fields, it's reasonable and suitable for us to use it.This paper researches on the subjects of the routing algorithm, the security of system and the process scheduling. We will also focus on the wireless data transmission between FMU and ammeters through the ISM channel so as to realize the whole system.

本文主要研究了路由算法，系统所需要的安全技术和任务调度，在公用ISM频段上实现电表与集中器之间的无线通信数据传输，从而实现整个无线采集系统。

Takes the essential measure, guarantees the transportation, the correspondence, the water supply, draining water, the power supply, the air feed, heating and so on the public facility security and the normal operation

采取必要措施，确保交通、通信、供水、排水、供电、供气、供热等公共设施的安全和正常运行

According to the State Golden Card Project Coordination Leading Group released the 2008 "State Golden Card Project National IC card application (2008-2013) development plan," Golden Card Project to electronic money card applications, etc., focusing on finance, communications , security, health, food and drug, tax, public affairs management, urban areas such as information technology, information technology in our country an important part of building.

根据国家金卡工程协调领导小组2008年发布的《国家金卡工程全国IC卡应用（2008-2013年）发展规划》，金卡工程以电子货币等各类卡基应用为重点，涉及金融、通信、安全、卫生、食品药品、税务、公共事务管理、城市信息化建设等领域，是我国信息化建设的重要组成部分。

The system which use PLC as the control core and industrial computer as assisted control core, can in real-time control the fiber laser,welding fixture,gas path,waterway,detection and monitoring,safety doors and real-time communication with the welding robot.

为了适应和满足我国自主品牌新车型开发和小批量生产定制，为了适用汽车的小型化、轻量化以及耐腐蚀性能，本文设计了一种以PLC为控制核心，工业计算机为辅助控制核心，实时控制光纤激光器，焊接夹具，气路，水路，检测与监控，安全门和实时与焊接机器人通信的激光焊接生产线控制系统。

This article is introduces the information hideaway technology the development present situation, therefore this article mainly aims at the information hideaway technology at present in each domain development present situation, mainly introduced in the application domain in the copyright protection and the privacy communication several kind of information hideaways technology, as well as the information hideaway technology the function which displays in information security each domain, but also has carried on the forecast to the information hideaway technology future prospect.

本文是介绍信息隐藏技术的发展现状，因此本文主要针对信息隐藏技术目前在各个领域中的发展现状，并且主要介绍应用领域中版权保护和保密通信中的几种信息隐藏技术，以及信息隐藏技术在信息安全的各个领域中所发挥的作用，还对信息隐藏技术的未来的前景进行了预测。

This article is introduces the information hideaway technology the development present situation, therefore this article mainly aims at the information hideaway technology at present in each domain development present situation, mainly introduced in the application domain in the copyright protection and the privacy communication several kind of information hideaways technology, as well as the information hideaway technology the function which displays in information security each domain, but also has carried on the forecast to the information hideaway technology future prospect.

本文是介绍信息隐藏技术的发展现状，因此本文主要针对信息隐藏技术目前在各个领域中的发展现状，并且主要介绍应用领域中版权保护和保密通信中的几种信息隐藏技术，以及信息隐藏技术在信息安全的各个领域中所发挥的作用，还对信息隐藏技术的未来的前景进行了预测。关键词：信息隐藏，数据锁定，隐匿标记，数字水印，阈下信道，匿名连接

Our mobile phones are our lifelines and the closest thing to an adult security blanket we have.

我们的移动电话使我们最重要的通信联络线，也是一个成年人安全覆盖最亲近的事物。

To enable the reliable operation of the control system, the centers will be linked to more than 90 substations and power stations by over 1300 km of OPGW, ABB FOX 515 multiplexers, ABB ETL 600 Digital Power Line Carrier and radio communications.

使控制系统操作更安全，这些中心将通过1300 km的光纤复合地线、ABB FOX515多路器、ABB数字式电力线载波机和无线通信设备与90多个分站所连接。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。