求助：帮忙把250字的中文翻译成英文。

In the bank to establish a viable and efficient electronic security systems can effectively guarantee their office areas, business offices, treasury, and other key areas of security, the normal business of banks and property of the public has a very important significance.
The present electronic security systems used worldwide in the field of electronic security technology of the most outstanding graphics control system as a system platform, the platform on the effective integration of closed-circuit television monitoring system, alarm system and access control sub-system. Has been monitoring the site, all information sent to all the monitoring center to defend the unit can accurately grasp the real state of the bank. At the same time, through the alarm signal, video surveillance equipment to the scene of complete records to back up information for the investigation and handling of events in the future to provide effective evidence. 24-hour non-stop monitoring unit in line with the bank's security needs.

这个翻译应该差不多，做个参考吧！

1.you have been bitten by a mosquito just, Soap coated in the somewhere and won't itch after a while.
刚刚被蚊子咬完时，涂上肥皂就不会痒了
2.When you play hiccup ,then ,drink some vinegar, the effect is very good.
打打嗝时就喝点醋，效果很好.

Electric car because it has the advantages of saving energy and environmental protection, in our life, but it is the energy storage device storage capacity and the service life is big. In order to solve this problem, which has been applied in many of the storage device. This paper mainly introduces the new supercapacitor energy device. Both conventional capacitor supercapacitor rechargeable battery power densities, the advantage of high energy density, can quickly charge-discharge, long life, high efficiency of energy storage devices, widely applied.
In this paper a supercapacitor storage device constant-volt two-way power flow, according to the work principle and characteristics of supercapacitor, supercapacitor storage device design method. Based on the equivalent circuit model, study the basic characteristics of the accumulator supercapacitor, DC/DC converter model, and then puts forward the current PWM control strategy, and the mode of super capacitance through PSPICE software, storage systems, through the simulation modeling simulation results indicate that the bidirectional DC/DC, which can realize the bidirectional converter power flow, meet the requirements, the super capacitor recharge proposed control method is also complies with the original design.
Keywords: storage systems, Super capacitance, Two-way dc/dc converter, charge

Electric cars because of the advantages of energy saving and environmental protection have been in our lives quite universal, but its energy storage devices of storage capacity and service life is a major issue of concern. To address this issue, has been put into use a lot of energy storage devices. In this paper, this new super-capacitor energy devices. Supercapacitor both power density of conventional capacitors, and rechargeable battery of the advantages of high energy density, fast charge-discharge, long life, is energy efficient and practical components, has been widely used.

     This paper analyzes the supercapacitor energy storage device of the constant principle of bi-directional power flow, and in accordance with the characteristics of super-capacitors, supercapacitors gives the design method of energy storage devices. Supercapacitor-based equivalent circuit model, the energy storage supercapacitor basic characteristics, the establishment of DC / DC converter model, a current mode PWM control strategy, and through PSPICE software super capacitor energy storage system modeling and simulation, through Simulation results show that two-way non-isolated DC / DC converter can achieve two-way flow of power to meet the super-capacitor charge-discharge requirements of the proposed control approach is also in line with original design.

Key words: energy storage system; super-capacitors; bi-directional DC / DC converters; charge-discharge

希望能帮上你。

**********************手工制造***请勿复制*****************************
Electric car because it has the advantages of saving energy and environmental protection, in our life, but it is the energy storage device storage capacity and the service life is big. In order to solve this problem, which has been applied in many of the storage device. This paper mainly introduces the new supercapacitor energy device. Both conventional capacitor supercapacitor rechargeable battery power densities, the advantage of high energy density, can quickly charge-discharge, long life, high efficiency of energy storage devices, widely applied.
In this paper a supercapacitor storage device constant-volt two-way power flow, according to the work principle and characteristics of supercapacitor, supercapacitor storage device design method. Based on the equivalent circuit model, study the basic characteristics of the accumulator supercapacitor, DC/DC converter model, and then puts forward the current PWM control strategy, and the mode of super capacitance through PSPICE software, storage systems, through the simulation modeling simulation results indicate that the bidirectional DC/DC, which can realize the bidirectional converter power flow, meet the requirements, the super capacitor recharge proposed control method is also complies with the original design.
Keywords: storage systems, Super capacitance, Two-way dc/dc converter, charge

Electric cars because of the advantages of energy saving and environmental protection have been in our lives quite universal, but its energy storage devices of storage capacity and service life is a major issue of concern. To address this issue, has been put into use a lot of energy storage devices. In this paper, this new super-capacitor energy devices. Supercapacitor both power density of conventional capacitors, and rechargeable battery of the advantages of high energy density, fast charge-discharge, long life, is energy efficient and practical components, has been widely used.

This paper analyzes the supercapacitor energy storage device of the constant principle of bi-directional power flow, and in accordance with the characteristics of super-capacitors, supercapacitors gives the design method of energy storage devices. Supercapacitor-based equivalent circuit model, the energy storage supercapacitor basic characteristics, the establishment of DC / DC converter model, a current mode PWM control strategy, and through PSPICE software super capacitor energy storage system modeling and simulation, through Simulation results show that two-way non-isolated DC / DC converter can achieve two-way flow of power to meet the super-capacitor charge-discharge requirements of the proposed control approach is also in line with original design.

Key words: energy storage system; super-capacitors; bi-directional DC / DC converters; charge-discharge

老师要的吧 ~~~~~~~

Electric cars because of the advantages of energy saving and environmental protection have been in our lives quite universal, but its energy storage devices of storage capacity and service life is a major issue of concern. To address this issue, has been put into use a lot of energy storage devices. In this paper, this new super-capacitor energy devices. Supercapacitor both power density of conventional capacitors, and rechargeable battery of the advantages of high energy density, fast charge-discharge, long life, is energy efficient and practical components, has been widely used.

     This paper analyzes the supercapacitor energy storage device of the constant principle of bi-directional power flow, and in accordance with the characteristics of super-capacitors, supercapacitors gives the design method of energy storage devices. Supercapacitor-based equivalent circuit model, the energy storage supercapacitor basic characteristics, the establishment of DC / DC converter model, a current mode PWM control strategy, and through PSPICE software super capacitor energy storage system modeling and simulation, through Simulation results show that two-way non-isolated DC / DC converter can achieve two-way flow of power to meet the super-capacitor charge-discharge requirements of the proposed control approach is also in line with original design.

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