查询词典 supply

At present, the central area of the plot have been the basic transfer, a huge market and the limited supply of the demand for difficult to reconcile the contradiction between the over-supply of the market refuses to go away.

目前，中部地区的阴谋已经基本转移，一个巨大的市场和供应有限的需求，难以调和的矛盾供过于求的市场拒绝离开。

The necessity of supply chain management reform of package enterprise and direction of the reform was pointed out to set up improved scheme and measure of the supply chain management for packaging enterprises.

就包装企业的特点来讲，包装企业进行供应链管理效果会更加明显，尤其是和客户的协作关系。

When the load current lies within its normal range and Q2 is off, the magnitude of the supply voltage and the values of R3 and R4, which form a potential divider across the supply rails, determine the voltage at the reference input.

当负载电流在正常范围内Q2处於截止状态时，电源幅值以及R3和R4的值，穿过电源轨形成潜在分压器，决定参考输入处的电压。

It combines small power supply unit together to supply power for system, of which the technology is current sharing technology.

本文对用于变电站直流电源系统的均流技术作了深入的分析，详细比较了几种常用的均流技术的特点，并运用集成芯片UC3907进行基于最大电流法的均流技术的研究。

One power supply unit of Model 750 can supply sufficient power for 5 amplification units.

型号750安装灵活，一个电源件可为5个扩音设备提供充足电源。

An analog control, in accordance with corresponding changes in the load modulation transistor gate of the base or bias, to achieve the output transistor switching power supply or transistor turn-on time of change in this way can the power supply output voltage in the workplace Conditions of constant change.

一种模拟控制方式，根据相应载荷的变化来调制晶体管栅极或基极的偏置，来实现开关稳压电源输出晶体管或晶体管导通时间的改变，这种方式能使电源的输出电压在工作条件变化时保持恒定。

In the design of the power supply, the main circuit topology frame uses half-bridge series resonant switching and parallel load connection, in which, an IGBT is adopted as the power switches, and features high operation frequency, high output power and fast response. In addition, the IGBT in the switch mode power supply has no hard turn-on or turn –off situation in transition, thus the disturbance to the power system is avoided.

相应的激光电源采用半桥软开关技术，串联谐振并联输出，IGBT 为主控制元件，实现了高频工作、高功率多路输出，响应快速；脉冲模式工作时避免了开关管的硬开关，减小了高次谐波对电网的干扰；无需镇流电阻也可实现气体稳定放电等特性。

In the design of the power supply, the main circuit topology frame uses full-bridge series resonant switching and parallel load connection, in which, four MOSFETs are adopted as the power switches, and by four pulses which UC3879 produces, high frequency operation and fast response are realized. In addition, the MOSFET in the switching power supply has no hard turn-on or turn-off situation in transition, thus the disturbance to the power system is avoided. Especially,by the use of high frequency transformer, PQ50/50, the switching power system can provide the steady discharge current without any amperite.

此开关电源采用全桥软开关技术、串联谐振并联输出，四个MOSFET管为主控制开关元件，通过脉冲产生电路UC3879产生的四路相关脉冲实现了高频交替开关，同时能快速响应输出的各种变化；避免了开关管的硬开关，提高了转换效率，另外通过采用高频变压器PQ50/50隔离了原副边，减小了高次谐波对电网干扰；无需镇流电阻也可实现气体稳定放电。

The system innovative is made up of three regulated power supply forming the power supply of electrostatic precipitator.

本系统具有创新性的将三种稳压电源相结合产生高压静电除杂系统的电源，具有体积小、效率高、可靠性强等优点。

Premium price is the relationship between land supply and demand by supply and demand, and real estate decisions.

白金价格之间的关系是土地供应和需求的供应和需求，以及房地产的决定。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。