6[6]梁永红.Visual FoxPro与MS SQL SERVER6.5的连接法[J].宁夏科技,1999,4(1):24-25.LIANG Yong-hong.Links between Visual FoxPro and MS SQL SERVER6.5[J].Ningxia science and technology,1999,4(1):24-25.
7王家耀.空间信息系统原理[M].北京:科学出版社,2000..
8PNEVMATIKOS N G, KALLIVOKAS L F, GANTES C J. Feed-forward control of active variable stiff ness systems for mitigating seismic hazard in structures [J]. J Engineering Structures, 2004, 26: 471-483.
9HOLT J, CHANCELLOR T C B, REYNOLDS D R, et al. Risk assessment for rice planthopper and tungro disease outbreaks[J]. J Crop Protection, 1996, 15(4) : 359-368.
10THORNTON P K, BOWEN W T, RAVELO A C, et al. Estimating millet production for famine early warning: an application of crop simulation modeling using satellite and ground-based data in Burkina Faso[J]. J Agricultural and Forest Meteorology, 1997, 83: 95-112.