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Comparison between MARC and Dublin Core;

DC与MARC元数据之比较研究

Implementing Dublin Core Encoding in Library Application;

DC元数据图书馆应用中的编码实现(二)——限定性DC的编码实现

The author thinks that the metadata,Dublin Core and system CORC are the best criteria auxiliary tools.

本文通过国外一系列网络资源评价标准的调研提出了评价网上资源的三方面标准及若干指标 ,并讨论了评价工作的可操作性问题 ,认为元数据、DC和CORC系统是目前最佳的评价辅助工具。

Research on Modular and Combined DC-DC Converter;

DC-DC模块化组合变流器的研究

Study on the Current Mode PWM DC-DC Converter with LDO Embedded;

内嵌LDO的电流型PWM DC-DC变换器研究

Soft-Switching Bidirectional DC-DC Converters;

软开关双向DC-DC变换器的研究

Research of DC/DC Converter Used in the Fuel Cell Power Generation System;

燃料电池发电系统DC/DC变换器的研究

Simulation and Design of a DC/DC Bulk PWM Voltage Converter System;

DC/DC Bulk电压型稳压系统仿真和设计

Design of High Efficiency with Full Load Range Buck-Boost DC-DC Converter;

全负载高效升/降压DC-DC控制器设计

PWM Modulation DC-DC Power Management Controller Design Based on BiCMOS Process;

基于BiCMOS工艺的PWM调制DC-DC电源设计

Research and Design of Core Blocks in DC/DC Converter;

DC/DC转换器中核心模块的研究与设计

Research on LLC Resonant Half-Bridge DC-DC Converter;

LLC谐振半桥DC-DC变换器的研究

Research on Three-level DC/DC Converter for Middle Power Level Application;

中功率三电平DC/DC变流器拓扑的研究

Research and Design of Low Loss DC/DC Converter;

低功耗DC/DC变换器的设计研究

The Design of a PWM Boost DC-DC Converter;

一种PWM升压式DC-DC芯片的设计

Design of a Low Voltage Start-up PWM DC/DC Converter;

低压启动PWM DC/DC转换器的设计

Design of A High-Efficiency Boost DC/DC Converter;

高效率升压式DC/DC转换器的设计

A Study of Bi-directional Full-Bridge DC/DC Converter Based on Digital Control;

数字控制双向全桥DC/DC变换器的研究

Research on Three-level ZVS DC/DC Converter;

ZVS三电平DC/DC变换器的研究

Research on LLC Series Resonant Full-Bridge DC/DC Converter;

LLC串联谐振全桥DC/DC变换器的研究

The Research on Digital Control for DC/DC Converter Based on DSP;

基于DSP的DC/DC变换器数字控制的研究