查询词典 switch-board

This paper analyzes the security capability of switch facility,the disfiguration and problem in data processing,then puts forward the new thoughts of improving switch facility's security capability and strengthening it's safety.

系统软件、应用软件、网络设计等方面的漏洞和错误致使病毒泛滥，攻击行为成灾。交换设备作为网络骨干设备，自然也肩负着构筑网络安全防

Pig Slaughtering and Processing Line: Steam Hair Scalding Tunnel,European floor-type Synchronous Inspection, Carcass conveyor, 430Hanger, 350hanger, 146Hanger, Carcass auto Push Head, Fork Block, Shackle Chain, Tube Rail Shackle Chain, Idle/Load sliding Support, Double Rail Switch, Single Rail Switch, Single/Double Pulley and so on.

猪线：猪线部分设备：蒸汽烫毛隧道，仿欧落地式同步卫检，猪胴体输送机，430吊架，350吊架，164吊架，白条自动线推头，叉挡、扣脚链，管轨扣脚链，空、负载滑架，双轨道岔，单轨道岔，单、双轨滑轮。

Therefore, we utilize optical switch to switch over two routes P1 and P2 which are normal feeder fiber P1 and protecting fiber P2. Signal pass P1 and P2 and through 2X2 coupler, splitter, and 2X1 coupler into the drop fiber. Finally pass through WDM coupler and filter into ONU.

传输时利用光开关切换成两路路径P1和P2，分别为在正常下的P1馈线光纤和发生错误时切换成P2保护光纤，再经2X2耦合器、分歧器和2X1耦合器，进入终端光纤，最后经分波多工耦合器和滤波器后进入光网路单元。

The load switch with earth switch can bear short-circuit current.

配装接地开关的负荷开关，可以承受短路电流。

First, the dissertation summarizes the properties, developing state and application fields of BLDCM, then its fundmental structure; operation principle and control strategy is also presented. On the base of roundly analyzing all kinds of the drive motor in electromotion type railway switch, BLDCM is proposed to replace the formerly traditional DC motor in railway switch. Second, the whole design scheme and key technology of control system is put forward based on analyse of the technical parameters and requirements.

首先，论文介绍了无刷直流电动机的特点、发展和应用概况，分析了稀土永磁无刷直流电机系统的基本构成、工作原理和控制方法；在对目前各种电动转辙机驱动电机分析的基础上，提出将稀土永磁无刷直流电机用于铁路转辙机，以替换原有的串励有刷直流电动机。

Fly key Founded in 1985, are National Machinery Industry, the Ministry of Electric Power Industry Ministry sentinel production enterprises, specializing in the production of a variety of voltage fuses, surge arresters, isolation switch, load switch, a portable short-circuit grounding line, high-pressure acoustic ray electroscope, high pressurerod and other products.

衡水飞键电力器材有限公司创建于1985年，是国家机械工业部，电力工业部定点生产企业，专业生产各种电压等级熔断器，避雷器，隔离开关，负荷开关，携带型短路接地线，高压声光验电器，高压拉闸杆等系列产品。

Under the existing condition of the lab, a lot of experiments, analyzing and improving are made. Now, the problems in photoengraving, sputtering and diffusion etc. have been solved elementally. Excellent technological parameters are achieved and 2×2 LiNbO3 waveguide optical switch has been fabricated successfully. At the end of this paper, the losses of 2×2 LiNbO3 waveguide type optical switch are analyzed. The testing system is established. The V-grooves used for coupling have been designed.

我们在现有的实验条件下，经过反复实验，分析和改进，克服了光刻，溅射，扩散等各个阶段中的难题，总结出各部分最优的工艺参数，制备出了2×2定向耦合器型光波导开关，在本文的最后对制备出的光波导开关的各种损耗进行了分析，建立了测试系统，对光开关进行了通光测试，并对本2×2定向耦合器型光波导开关以后的耦合封装V型槽进行了设计。

Turn off the exhaust switch, press the button and wait for vacuum vacuum to a specified amount of time, press exposure start button, open the exsufflation switch.

敞开排气开关，按不静抽真空按钮，待真空抽到必定工夫后，按曝光开不静按钮，敞开排气开关排气。

Will manually, auto-switch to automatic, so that exsufflation switch exsufflation State, press the vacuum button T1, at which point the exhaust from the aliquation exposure done automatically.

不兵手不静、自不静开关不扎到自不静状况，让排气开关处于排气状况，按不静抽真空按钮T1，此时从呼气曝光排气自不静达成。

"When you switch on the light in the bathroom , the extractor fan switch es on ."

当你打开浴室里的灯时，换气扇就启动了。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。