是否有效和高效地使用了统计技术；信息技术的应用；质量成本数据的分析。
Effective and efficient use of statistical techniques, use of information technology, analysis of quality cost data.
利用已完工程、在建工程的材料、人工、机械、其他直接费、现场经费等成本数据、生产要素市场价格信息、宏观经济信息等历史和当前数据建立工程成本数据库。
The author refers in the article that we could set up an engineering cost database based on cost data like Labor, material. other direct expense, and so on…
最后，本文以家用轿车为实例，建立了其全生命周期成本数据仓库，目前已积累近3500款车型30多个月以来30万条的产品信息及成本数据，验证了方法的可行性。
Finally, an exemplification system of family cars was set up successfully assembling 300 thousand plus records about 3500 car models in last 30 months. This proved the method was valid.
最后，本文以家用轿车为实例，建立了其全生命周期成本数据仓库，目前已积累近3500款车型30多个月以来30万条的产品信息及成本数据，验证了方法的可行性。
Finally, an exemplification system of family cars was set up successfully assembling 300 thousand plus records about 3500 car models in last 30 months. This proved the method was valid.
应用推荐