n.序文；绪言；开端
Components security is a key proem of component software. 摘要组件的安全是组件软件的关键问题。
Conclusion GA3 and Z can promote germination of American ginseng seed, but cannot ignite the development of proem bryo. 结论GA3和Z是西洋参种子萌发促进因子，而不能启动原胚的起始发育。
Components security is a key proem of component software. This paper gives some secure equations to answer the question. Using the equations to analyse an example, we get clearly understand. 摘要组件的安全是组件软件的关键问题。简单组件系统进行说明和应用。通过对组件安全的分析得出了一系列的安全方程，并在一简单组件系统进行说明和应用。
Firstly, proem, it concise introduces the background ; 第一部分，简介论文写作背景；
