通讯

"DeviceNet is a low-cost communication link to connect industrial field devices (such as limit switches, photoelectric sensors, valve manifolds, motor starters, process sensors, bar code readers, variable frequency drives, panel displays and operator interfaces) to a network and eliminate expensive hardwiring."

DEVICENET对于连接工业现场设备(如：限位开关，光电传感器，控制阀，电机启动器，过程传感器，条形码解读器，变频驱动器，显示面板及操作界面)及实现网络化来说是一种低成本的通讯连接方式，它可免除昂贵的硬件费用。

"DeviceNet is a low-cost communication link to connect industrial field devices (such as limit switches, photoelectric sensors, valve manifolds, motor starter s, process sensors, bar code readers, variable frequency drives, panel displays and operator interfaces) to a network and eliminate expensive hardwiring."

DEVICENET对于连接工业现场设备(如：限位开关，光电传感器，控制阀，电机启动器，过程传感器，条形码解读器，变频驱动器，显示面板及操作界面)及实现网络化来说是一种低成本的通讯连接方式，它可免除昂贵的硬件费用。

"DeviceNet is a low-cost communication link to connect industrial field devices (such as limit switches, photoelectric sensors, valve manifold s, motor starters, process sensors, bar code readers, variable frequency drives, panel displays and operator interfaces) to a network and eliminate expensive hardwiring."

DEVICENET对于连接工业现场设备(如：限位开关，光电传感器，控制阀，电机启动器，过程传感器，条形码解读器，变频驱动器，显示面板及操作界面)及实现网络化来说是一种低成本的通讯连接方式，它可免除昂贵的硬件费用。

"DeviceNet is a low-cost communication link to connect industrial field devices (such as limit switches, photoelectric sensors, valve manifolds, motor starters, process sensors, bar code reader s, variable frequency drives, panel displays and operator interfaces) to a network and eliminate expensive hardwiring."

DEVICENET对于连接工业现场设备(如：限位开关，光电传感器，控制阀，电机启动器，过程传感器，条形码解读器，变频驱动器，显示面板及操作界面)及实现网络化来说是一种低成本的通讯连接方式，它可免除昂贵的硬件费用。

Company Profile Beijing Xinyu win equipment limited liability company operating mainly in the production and domestic and international advanced testing equipment, instrumentation, and diagnostic tools, as well as introduce advanced test, measurement of new technology for operating purposes. A: electrical fire, building fire detection and public safety facilities, equipment detectors B: lightning protection, lightning protection device detection equipment, mine detection device safety box C: Fire Fire Safety Inspection and Testing equipment, and investigate the cause of the fire equipment, police station fire alarm Services and equipment D: fire inspection and fire investigation equipment boxes, fire investigation kits, fire detection equipment to determine the scene Product E: Fire Engineering Detect boxes, cartons Detect building fire service installations, fire detection electrical box F: Airport Fire fire inspection equipment, subway Fire Safety Detect Box G: boilers, pressure vessels and special equipment, elevator equipment Detect H: Victoria seized power telecommunications equipment boxes, mechanical state patrol boxes I: Detect safety boxes, traffic accident investigation boxes, property management Detected me J: Public environmental hygiene Detect boxes, boxes of food safety at the scene detection, occupational health care at the scene Detect boxes, cartons Detect Radiological Protection at the scene, the situation of sanitation and disinfection Detected me, health production supervisor at the scene seized me K: Ultrasonic leak detector, ultrasonic spectrum analyzer, ultrasonic full-function fault detection system L: fire using infra-red thermal imaging, infrared imaging system for industrial use, the security-type infra-red thermal imaging M: Energy Conservation Supervision and Testing Instruments instrument N: Private Product: 3 1/2- 8 1 / 2 handheld / desktop Digital Multimeter, cross-DC clamp level pressure ammeter, temperature gauges, tachometer, digital megohm table, grounding resistance tester, desktop multimeter, digital frequency meter smart, figure synthesis / function signal generator, desktop digital electric bridge, oscilloscopes, infrared thermometer, vibrometer, digital DC regulated power supply, 5 1 / 2 hand-held multi-function calibrator field process instrumentation. O: agent Products:, infrared thermometer, infrared, ultrasonic full-function fault leakage / discharge detection device, flammable / toxic gas detector, harmonic power quality analyzer, portable ultrasonic flowmeter, insulation / Ground Resistance Tester, temperature, current / voltage, the process of signal, thermal resistance / thermocouple, pressure, loop calibrator, such as electronics, telecommunications, electricity, petroleum chemical industry, safety inspection, steel smelting, public environmental protection, fire detection Secret rescue, fire detection equipment, special equipment testing, military field equipment dedicated monitoring equipment and tools.

公司简介北京新宇胜利仪器有限责任公司主要以生产和经营国际，国内先进的检测仪器仪表和设备诊断工具以及介绍先进的测试，测量新技术为经营宗旨。A：消防电气、建筑消防设施检测和公共安全侦检仪器设备B：防雷、避雷装置检测仪器设备、防雷装置安全检测箱C：消防防火监督检测装备、火灾原因调查装备、公安派出所消防警务装备D：防火检查与火灾勘查仪器箱、火灾勘查工具箱、消防产品现场判定检测仪器E：消防工程检测箱、建筑消防设施检测箱、消防电气检测箱F：机场消防防火检查仪器设备、地铁消防安全检测箱G：锅炉、压力容器和特种设备、电梯检测仪器H：电信电源维检仪器箱、机械状态巡检箱I：交通安全检测箱、交通事故勘查箱、物业管理检测箱J：公共卫生环境检测箱、食品安全现场检测箱、职业健康监护现场检测箱、放射防护现场检测箱、卫生消毒状况检测箱、健康品生产现场监检箱K：超声波泄漏检测仪、超声波频谱分析仪、超声波全功能故障检测系统L：消防用红外热像仪、工业用红外热像仪、本安型红外热像仪M：节能监督检测仪器仪表工具N ：自有产品：3 1/2-8 1/2位手持/台式数字多用表，交、直流钳形高低、压电流表，温度仪表，转速表，数字兆欧表，接地电阻测试仪，台式多用表，数字智能频率计，数字合成/函数信号发生器，台式数字电桥，示波器，红外测温仪，测振仪，数字直流稳压电源，5 1/2位手持式多功能现场过程仪表校验仪。O：代理产品：，红外测温仪，红外热像仪，超声波全功能故障泄漏/放电侦测仪，可燃/有毒气体检测仪，电力质量谐波分析仪，便携式超声波流量计，绝缘/接地电阻测试仪，温度、电流/电压、过程信号、热电阻/热电偶、压力、回路校验仪等电子、通讯、电力、石油化工、安全检查、钢冶、公共环保、消防特勤侦检救援、消防检测设备、特种设备检测、军事领域的专用仪器监测设备与工具。

It is of the harmonic analysis function of 1-40 times, and can communicate with PC via RS485 interface.

可通过RS485微机接口，与PC机实现通讯。

The smart card system is due to an application of RFID, the first scheme of our research is using this to help store the information of authentications. It uses hashing function combined with smart card to the network authentication for the most part to cut down the cost of computation as well as communication and further accomplish higher security.

智慧卡属於射频辨识的一种应用，本研究的机制一为使用智慧卡系统辅助储存认证用资讯，并采用杂凑函数结合智慧卡的方式来进行网路认证，以降低计算与通讯的成本，并达到高度安全性。

To support secure group communications in resource constrained wireless sensor networks, We propose an efficient and scalable key management scheme which only uses symmetric cryptographic algorithms and hashing function. This scheme can achieve forward and backward security.

为了在有限资源的无线传感器网络能安全进行群组通讯，本文只使用对称加密算法和单向哈希函数提出了一种具有有效性和扩充性的组密钥管理方案，并可满足前向和后向安全性。

The client computer receives the information from KDC and runs the user.s password through a one-way hashing function, which converts the password into the user.s KA. The client computer now has a session key and a TGT so that it can securely communicate with the KDC. The client is now authenticated

客户机受到了KDC的信息，然后通过单向的hash算法将用户密码转换成user's KA，现在客户计算机拥有了一个会话key和一个TGT，使得其可以和KDC安全通讯，现在客户通过了域验证，并且准备访问域内的资源。

She was trained to use explosives, to fight in close combat with improvised weaponry such as a hatpin, and taught about disguise and communications.

她被训练使用炸药，特别能战斗，在短兵相接的土制武器，如hatpin，并教导变相和通讯。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。