LED二次光学设计
Secondary LED optical design
ZEMAX光学设计软件
Zemax
ZEMAX optical design software
参数设计计算
paramenter design and calculation
大连市环境科学设计研究院
Dalian Municipal Research and Design Institute of Environmental Science
Dalian Municipal Design and Research Institute of Environment Science Dalian
Dalian Municipal Design and Research Institute of Environmental Science
大庆油田建设设计研究院
Daqing Oilfield Design and Research Institute
daqing oilfield construction design institute
大庆油田建设设计研究院；长春市测绘院
The Institute of Daqing Oilfields Construction
大庆油田建设设计研究院勘察大队
exploring team
Daqing Oilfield Institute of Construction
Design and research
低阶程序设计设施
low level programming facility
电磁阀设计计算
Design of an Electromagnetic Valve
电磁设计计算
Electromagnetic design calculation