based on the analysis of the characteristics of disaster resistant engine ering project the principles of project appraisal of disaster resistant engineering are given the affirmation and measuring of costs and benefits of disaster resistant engineering project are discussed it offers bases for study of theory and methods of disaster resistant engineering project appraisa

在分析了抗灾工程项目特点的基础上，提出了抗灾工程项目评估的原则，探讨了抗灾工程项目成本效益的确定与计量，为抗灾工程项目评估的理论与方法研究提供了依据

以上为机器翻译结果，长、整句建议使用 人工翻译 。