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gi法
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  gi method
     In this paper, we present the applications of ABS algorithms to linear constrained optimization, reformulate the GI method via ABS algorithms without use of Givens transformations, give the methods for updating projection metrices and Moore-Penrose pseudo invers successively, and discuss the ways to construct descent direction by ABS algorithms.
     本文介绍ABS算法在线性约束优化中的应用,利用ABS算法对GI法进行了重新描述,给出了投影矩阵及Moore-Penrose伪逆连续修正的ABS方法,并探讨了利用ABS算法来构造下降方向的方法。
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     The difference of germination percentages among Gi.
     Gi.
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     SPLIT-PHASE METHOD
     分相
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     the isotopic method;
     古地磁;
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     versiforme and Gi.
     versiforme及Gi.
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  gi method
Their reproductive cycles were documented by the gonad index (GI) method and by histological examination of the gonads.
      
A modified GI method was implemented during the course of an action research effort consisting of two yearlong projects.
      
Students' writings, which had been produced twice a year, were analyzed to reveal their reflections concerning the GI method.
      
However, there were some students who considered the GI method inappropriate for them.
      
The GI method, using the covariant equations, is recommended for cosmological perturbation analysis, not only because of its gauge-independence, but because of its simplicity and similarity to the Newtonian analysis.
      
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In this paper, we present the applications of ABS algorithms to linear constrained optimization, reformulate the GI method via ABS algorithms without use of Givens transformations, give the methods for updating projection metrices and Moore-Penrose pseudo invers successively, and discuss the ways to construct descent direction by ABS algorithms.

本文介绍ABS算法在线性约束优化中的应用,利用ABS算法对GI法进行了重新描述,给出了投影矩阵及Moore-Penrose伪逆连续修正的ABS方法,并探讨了利用ABS算法来构造下降方向的方法。

It is a first problem that the evaluation for soil resouces in the planning of the soiland water conservation. The methods of synthetical index and GIS has been used in Chinanow. But GIS was introduced from overseas in the 9Os. How GIS system to be used in theplanning of the soil and water conservation were explained briefly.

水土保持规划中首先遇到的问题是土地资源评价。国内目前采用的评价方法常有综合指数法(即给土地生产力赋分、评定等级)和GIS法(即应用地理信息系统评价法),后者是90年代从国外引进的。扼要地介绍了GIS的基本原理和技术路线,与读者共同探讨GIS法在土地资源评价中的完美应用。

The definition, history and development process of water pollution control planning are introduced in this paper. The new methods of water pollution control planning based on GIS and ANN technology are introduced as well. At present, the water resources shortage and water environment pollution have restricted the development of the society and economy, so the improvement of the standard of water pollution control will be benefit for the sustainable utilization of the water resources.

介绍了水污染控制规划及其方法的历史沿革与发展, 并介绍了两种水污染控制规划新方法———地理信息系统(GIS) 法和类神经网络(ANN) 法。目前,水资源短缺和水环境污染已成为制约我国社会经济发展的重要因素, 因此研究和总结水污染控制规划的方法,提高其在城市规划中的地位,对水资源的可持续利用必将发挥重要作用

 
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