1. The availableness calculating and selecting in Forecast method are shown by the forecasting of the 2010's GDP of Henan province and the corresponding analysis was made. 以河南省国内生产总值2010年预测为例，说明预测方法的有效度计算及选择，并作相应的分析。
2. Abstract: Genetically modified food (GMF) has evoked much dispute for potential risks after their availableness, which prevented continuable development of genetic engineering techniques. 摘要：转基因食品面世十几年来，由于存在潜在的风险，引起了诸多争议，同时阻碍了基因工程技术的健康发展。
3. This paper analysised the advantage and availableness of correlation technique to detect the leaks on buried oil pipe line, together with how to solve several key problems in detecting the leaks. 本文从理论和实验两个方面分析了相关技术在石油输送管道泄漏检测中的可行性和优越性并探讨了检漏中需要解决的几个关键问题。
