Yongnian fertilizer plant founded at aug . 1965 , there are 1800 employees and cny 2800 million assets 永年縣化肥廠始建于1965年8月,現(xiàn)有職工1800人,擁有資產(chǎn)2 . 8億元。
Wanlong wang , yongnian yan , “ experimental design and analysis of in - plane processing accuracy ” , accepted by material & design 王萬龍,顏永年, “面內(nèi)加工精度的試驗設計與分析” ,材料與設計, 1996年。
Wanlong wang , yongnian yan , “ dynamic analysis of manufacturing systems ” , international system dynamic conference , cambrige , massachusetts , july 7 - 9 , 1996 王萬龍,顏永年, “分層制造中加工參數(shù)的智能裝置” ,制造系統(tǒng)期刊, 1996年第二期。
Yongnian yan , haibin guo , “ study on function integration of m - rpms ” , proceedings of 6th sino - polish conference on cad in machinery , june 1996 , warsaw , poland 顏永年,郭海濱, “多功能快速成形系統(tǒng)中功能集成的研究” ,第六屆中波機械cad會議, 1996年6月,華沙,波蘭。
Feng lin , qingping lu , yongnian yan , “ an architecture of product design system based on parametric technique ” , 1994 , v sino - polish conference on cad in machinery 王萬龍,顏永年, “激光快速成形技術圖形軟件的設計與實現(xiàn)” , 1994年10月,第三屆全國機電一體化會議,北京。