查询词典 circuit

The function of railway is very important in our country's economic development, in order to accelerate the development of our country's economy, the Ministry of Railway has developed two kinds of frequency-shift track circuits: 18-information frequency-shift auto-blocking track circuit and UM-71 jointless track circuit, and put them into use on some important lines.

铁路在我国经济发展中发挥着重要作用，为了加快经济的发展，铁道部根据我国国情，研制开发了两种移频轨道电路：18 信息移频自动闭塞系统和UM-71 无绝缘轨道电路，并将其应用到我国部分主要线路上。

Based on the theory of uniform transmission line and four-terminal net circuit, this paper presents a simulation model of ZPW-2000 jointless track circuit shunt current. A kind of numerical algorithm of shunt current is established with MATLAB.

运用均匀传输线和电路四端网理论，建立了ZPW-2000无绝缘轨道电路分路电流的计算模型，利用MATLAB软件实现了分路电流的数值算法。

Each encoder contains a lensed LED source, an integrated circuit with detectors and output circuitry, and a codewheel which rotates between the emitter and detector integrated circuit.

每个编码器包含一个透镜LED光源，一个探测器和集成电路输出电路和一个编码轮的发射器和检测器之间的旋转集成电路。

Through detailing the maloperation process of the circuit breaker because of the defect in the auto-reclosure,this paper analyses the course of the accident and improves the defective protections circuit.

通过对一起重合闸缺陷引起断路器误动作的过程详细描述，分析了误动原因，对有缺陷的保护回路提出了改进方法，较好地解决了重合闸误动作问题，提高了设备运行稳定性。

Adopting double-break structure in low-voltage circuit breaker is going to be a development tendency, for this kind of structure can largely enhance current interrupting performance while it can also minify the volume of circuit breaker.

采用双断点结构的触头系统是低压断路器的发展趋势之一，该结构在大大提高低压断路器开断能力的同时，还可以使断路器体积小型化。

Adopting 2-break structure in low-voltage circuit breaker is going to be a development tendency, for this kind of structure can largely enhance current interrupting performance while it can also minify the size of circuit breaker.

采用双断点结构的触头系统是低压断路器的发展趋势之一，该结构在大大提高低压断路器开断能力的同时，还可以使断路器体积小型化。

Among them, the most familiar problems are unreliable earth, worn circuit, lacking moistureproof and waterproof measure, circuit that doesn't comply with national safe requirements and so on.

其中，接地不可靠，线路老化，缺乏防潮、防水措施，以及电路不符合国家安全要求是最常见的问题。

The engine main circuit have to be gurranteed drawing the torque of electric motor and rotation speed wholly to do regulateing of independence ,But also possess extensive setting range SS7's mould electric locomotive adopts Quan Kongqiao and semi bridge accuseeing series connection to make up the monophase bridge style commutation electric circuit ,The coil power supply is encouraged against the stringtrain by the electric motor the drawing armature to 3 parallels operation ,Still there is an excitation commutation bridge ,He encourages the coil power supply with 3 electric motors drawing together to the series connection ,Moreover has one another accuses the regulating action .

机车主电路必须保证牵引电动机的转矩和转速都可作独立的调节，而且要有宽广的调节范围。SS7型电力机车采用一个全控桥和一个半控桥串联组成单相桥式整流电路，向3台并联工作的牵引电动机电枢与串励绕组供电，还有一个励磁整流桥，向串联在一起的3台牵引电动机他励绕组供电，并具有相控调节作用。可以实现机车无级调速和无级削磁。SS7型电力机车采用再生制动方式，再生制动时，牵引电动机作直流发电机工作，并且将电能馈送回接触网，此时电力机车相当于一个移动的发电站。

The circuit, which can transform the signal from bipolar to monopolar and linearly restrict its amplitude for matching the ADC of S3C2410, according to the superposition principle of circuit theory , is specifically designed and fully given by myself . Its design idea is also deeply analyzed.

为与本系统选用的S3C2410内置的ADC可靠配接，根据电路理论中的叠加原理，特别自行设计给出了双极性转单极性并线性限幅的完整电路，并深入分析了其设计思想。

The result is a largely nonmathematical treatment that encourages circuit intuition, brainstorming, and simplified calculations of circuit values and performance.

这样就产生了一种鼓励对电路的直觉、发散思维以及电路参数和性能简化计算，主要采用非数学手段的方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。