- 更多网络例句与concaveness相关的网络例句 [注:此内容来源于网络,仅供参考]
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Power system ; wide area information ; security control ; optimal reclosing ; trajectory concaveness and convexness
电力系统;广域信息;安全控制;最佳重合闸;轨迹凸凹性
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Based on the Arcview platform and compiling programs by ourselves, the DLPM of urban area of Jinan in 1998 and 2001 is established. The main conclusions are: 1 general trend of land price is reduction from central base point to urban edge, but there are different characteristics in different direction; 2 from one edge to another, land price shows low-high-low, and its sections through urban areas show normal school and deflection normal school; 3 land price evolutes with time, concaveness land price terrace changes little or gentle or protruding, and protuberant land price terrace changes little or not, price terrace or big or gentle; 4 the increasing potential of price is analyzed by the increasing rate and increasing speed of land price.
分析数字地价模型得出结论:①地价从中心基点向城市边缘总趋势是降低,但不同方向表现出不同的特点;②在贯穿市区的地价剖面中,一般表现为从一个边缘到另一个边缘的地价由低到高再到低的变化规律,由於地价剖面经过不同的市区区位,呈现出正态和偏正态的分布特点;③在时间演化上,凹性地价阶地变小或变平缓,凹性地价阶地转变为凸性地价阶地,凸性地价阶地变小或转化为非地价阶地,凸性地价阶地变大或平缓;④利用地价增值率和地价增值速度分析了地价的增值潜力。