查询词典 switch-board

The feedback signal and a reference voltage are compared by the comparator, and when the value of the feedback signal is equal to that of the reference voltage, the comparator produces a switch control signal to regulate the duty ratio of the switch circuit so as to stabilize the output voltage.

通过一个比较器比较这个反馈信号和参考电压，当反馈信号与参考电压的值相等时，此比较器产生一个开关控制信号调节开关电路的占空比以稳定输出电压。

In the course of special switch-? design, the main research includes: administrable fast Ethernet switch-; hardware design, referring to SNMP, self-define the Community Network Management Protocol, the switching chips driver and application program interface realization, management software agent design, Systematic test.

楼道交换机开发过程中涉及的主要工作包括：可管理的快速以太网交换机的硬件设计；参考SNMP自定义本交换机的社区网络管理协议；交换机芯片驱动及应用程序接口的实现；交换机管理软件的AGENT部分的编制；系统调试／测试。

Said invented method for and device adopt MCU or logic or logic chip detecting said ringing current signal, backboard ringing current signal and mutual sent signal, and sequential control sequential control, avoiding switch device hard switching and arcking, raising switch device and backboard reliability.

本发明方法及装置通过采用MCU或逻辑芯片检测本板铃流信号，背板铃流信号和互送信号，并采用时序控制，避免了在铃流开机和切换时的开关器件硬切换，以及铃流的在开关电路切换时的拉弧，提高了开关器件的可靠性；而且把开关电路从通讯设备插框背板转移到单板上来，提高了背板的可靠性，降低了后续的维护和检修困难。

It is feasible to build effectual, economic and banausic safe base of Intranet, through segment the net, set VLAN, control communication operation, bind IP and MAC and switch port base on the 3rd layer switch, use to achieve our basic requirements to the network safety in using information system.

通过三层路由交换机Passport8600，以机制所建立的集成制造单元网络系统为具体实例，通过网络分段，设置VLAN，通信业务管理控制，进行IP地址、MAC地址和交换机端口绑定等措施，建立了有效、经济、实用的网络安全基础平台。

In returnable system there are kinds of switch styles on positive and negative two group rectification bridger,the higher reliability is no cycle current switch ing,writer designed the logical no cycle current returnable system.

而可逆系统中正、反两组整流桥的工作切换方式有几种，可靠性较高的是无环流切换，笔者设计了逻辑无环流可逆系统。

Chapter 2 Study on the preparation and application of a new electrical active-inactive switch molecular beaconWe developed a new electrical active-inactive switch molecular beacon and used carminic acid as signal molecule.

第二章：新型电化学活性-非活性转换分子信标的研制及其应用本章中，首先提出了一种基于电化学活性-非活性分子转换的新型分子信标。

Our primary products are: RCA receptacle, WP outer receptacle, 6.35, 3.5, 2.5 coaxal socket, S terminal, connecting parts, touch switch, power switch, USB connector, 21(42) pin receptacle, FFC/FPC flat cable connector etc.

主要产品有RCA插座NWP外接线插座﹐6.35N3.5N2.5同芯插口﹐S端子﹐接插件﹐轻触开关N电源开关﹐USB接口N21（42）针插座﹐FFC/FPC扁平电缆连接器等300余种。

The electrooptical switch is applied in large aperture and fast switch speed driving ICF system,and the light information in 100 ns is selected.

选出了在100 ns标称开关速度内所关心的光信息，满足了惯性约束核聚变驱动系统中大的通光口径和均匀性的要求。

Power-source programmed switch can cut off in between and cut in both the left and right which can be used as extinctive switch.

Z 电源程序开关，中间断开，左右均接近，可作消防开关。

Originated from the work above, a high-performance growable packet switch architecture adopte〓 general knockout principle is presented. The pair-input fanout units are introduced to reduce the hardware of the switch efficiently.

在此基础上提出了一种采用广义Knockout原理的性能优秀的可扩展分组交换结构，通过采用双输入共享扩展单元，有效的降低了交换系统的硬件开销。

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。