|
Based on the color aerial photo and the field survey data, this paper analyze the information of various land use type change and spatial characteristics in Yanan Ecological Construction Demonstration Area from 2000 to 2003 by RS, GIS and statistics metho
|
|
|
摘要以航片等资料为基础，借助遥感影像解译、地理信息系统空间分析功能以及数理统计方法，分析了延安生态建设示范区2000-2003年间各土地利用类型的数量变化和空间特征，并且首次引入退耕指数、退耕弹性系数等指标对退耕还林工作进行评价。 |
|
Based on the combination of evolution strategy and limit equilibrium method, an effective global optimization method is proposed to allocate the most dangerous non-circular critical slip surface corresponding to the minimum factor of safety in slopes.
|
|
|
摘要将进化策略与边坡稳定极限平衡法相结合，建立了边坡任意形状最危险滑裂面及相应最小安全系数的全局优化搜索方法。 |
|
Based on the combination of genetic algorithm and the BP neural network structural model, a new method with which neural network weight can be trained using genetic algorithm is designed.
|
|
|
摘要在遗传算法与BP神经网络结构模型相结合的基础上，设计了用遗传算法训练神经网络权重的新方法。 |
|
Based on the combination of the adjacent diffusion method and the selective smoothing filter, a new anisotropic diffusion algorithm for image enlargement is proposed, which is called as the adjacent diffusion and selective smoothing algorithm (ADASS).
|
|
|
摘要提出了一种新型的各向异性扩散图像放大的邻域扩散选择平滑法(ADASS)，将邻域扩散法与选择平滑滤波器相结合，降低了算法的复杂度，并提高了图像的放大质量。 |
|
Based on the common sub-pixel techniques on determining the precision of component, a sub-pixel algorithm was proposed for component image segmentation based on 3-spline interpolation.
|
|
|
分析了亚像素边缘检测的原理及现有算法的优缺点，根据现有用亚像素对表面贴装元器件图像检测的算法，提出了三次样条插值的亚像素算法进行边缘提取。 |
|
Based on the comparability of piezoelectric thermoelasticity and the heat exchange equations, a new augment dimensions constitutive relationship is established by combining the heat exchange equations into the constitutive equations of piezoelectric therm
|
|
|
摘要根据压电热弹性体的本构关系和热传导关系的相似性，通过增维方式将热传导关系写进压电热弹性体的本构关系中，直接得到了一个新的增维的压电热弹性体本构关系。 |
|
Based on the comparative analysis of style, stigma size, pod length and width, pod surface area, seed diameter and dry weight between amphidiploids and their putative diploid ancestors, we observed that some accessions of amphidiploids revealed intermedia
|
|
|
摘要通过比较分析薹属多倍体复合种与其祖先二倍体基本种在花柱、柱头大小、角果长度、宽度、种子直径及种子干重变化上的异同，发现多倍体复合种在这些发育性状上表现出处于两个祖先二倍体亲本之间，或只偏向于其中一个祖先亲本。 |
|
Based on the comparative study of Yingen-Ejinaqi Basin and Erlian Basin from the aspects of Mesozoic strata, regional structures, magmatic activity, source rocks, reservoir, oil and gas reservoir formation characteristics, oil and gas distribution, and de
|
|
|
摘要通过对银根－额济纳旗盆地与二连盆地的中生代地层、区域地质构造、岩浆活动、烃源岩、储层、油气成藏特征、油气分布规律及深部地壳构造等的研究，表明两盆地的区域地质及石油地质特征具有相似性。 |
|
Based on the comparison and analysis of the difference of water resources between Israel and the semiarid region in China, it was concluded that the water-saving agriculture should be adopted in China.
|
|
|
对比分析了中国半干旱地区与以色列的水资源条件，得出中国必须走节水农业之路。 |
|
Based on the comparison and analysis of the existing metro Automatic Train Operation (ATO) systems in Chinese cities like Beijing, Shanghai and Guangzhou, the author holds that the design of ATO system shall follow a new trend towards home-manufacture of
|
|
|
摘要对我国现有的北京、上海、广州的地铁列车自动运行系统进行分析、比较，并指出了国产化列车自动运行系统的设计思路。 |
|
Based on the comparison and analysis of the secondary electron emission coefficient of two kinds of emitter GaAs in theory, it is concluded that when primary electron energy is lower the deviation of secondary electron emission coefficient of two kinds of
|
|
|
通过对两种负电子亲和势二次电子发射材料的二次电子发射系数的理论值进行比较和分析，得出：当原电子入射能量较低时，两种材料的二次电子发射系数差值较小；当原电子入射能量较高时，两种材料的二次电子发射系数差值较大，而且随着原电子入射能量的升高，两种材料的二次电子发射系数差值也在增大。 |
