According to the analysis of the characteristic of foreign trade enterprise, we mainly concentrate on the design and development of foreign trade Information Processing System based on UML.
通过详细分析目前我国沿海地区存在的大量外贸企业的业务特点，利用UML建模工具，设计并实现外贸管理信息系统。
The formulation design, processing characteristic and material choice of winding without filling in epoxy resin cast dry-type transformer are introduced. The warnings in cast process are presented.
介绍了环氧树脂浇注干式变压器无填料绕组浇注的工艺特点、材料的选择和配方设计，提出了浇注过程中应注意的事项。
The producing and processing research and design on T2 rotary awl cover is very important to make sure the producing quality and improve synthesized characteristic.
研究和设计T2铜材回转锥型罩的加工方法及工艺，对保证和提高T2铜材回转锥型罩加工质量，改善其综合性能是十分重要的。
The producing and processing research and design on T2 rotary awl cover is very important to make sure the producing quality and improve synthesized characteristic.
研究和设计T2铜材回转锥型罩的加工方法及工艺，对保证和提高T2铜材回转锥型罩加工质量，改善其综合性能是十分重要的。
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