Long March Rockets Complete 2018 Missions with 37 Record-Setting Launches

A LM-2D/Yuanzheng 3 launch vehicle successfully launched 6 Yunhai 2 satellites and one test microsatellite named'Chongqing'into their preset orbits,concluding China’s final orbital launch of2018.The launch took place at 16:00 Beijing time on December 29,2018 from the Jiuquan Satellite Launch Center.

基于ADO的远程工艺设计研究

探讨在ADO技术下进行远程工艺设计的方法 ,并介绍ADO对象模型及其两个主要对象—Connection和Recordset,同时介绍系统功能框架和一个功能的实现方法。