It first discribes discribes the fonction and component of synthesis simulation system, then it gives the design idea and frame of operation flight program.
首先对综合仿真系统的功能和组成作了简要介绍，然后给出了作战飞行软件的设计思想和框图。
2
Organic synthesis is important component parts of organic chemistry.
有机合成是有机化学的重要组成部分。
3
The synthesis of one component, moisture-curing PU sealant was studied.