three layer paper,triplex paper

Application of Three-layer Development Architecture Based on ASP.NET;

基于ASP.net的三层开发架构应用探讨

The laser welding technology of three-layer zinc coated sheet was studied as well as the effects of thickness combination,gap combination,gravity force and welding speed were discussed in this paper.

研究了三层镀锌钢板的激光焊接工艺,讨论了三层板的厚度组合、间隙组合、重力和焊接速度等因素的影响作用。

The Research of 2-Tier and 3-Tier Structure Based on the Client/Server Architecture;

基于客户机/服务器体系的二层与三层结构研究