This study estimates canopy height using multi-returns data acquired by the small footprint lidar of sparse forest and explores the precision of different methods such as IDW(Inverse distance weight),Spline method,OK(Ordinary Kriging) to reconstruct the canopy elevation and the ground elevation.
探讨在稀疏林地的条件下,利用小光斑激光雷达获取的多次回波点云数据估算冠层高度,研究不同的高度重建方法包括反距离权重、样条插值以及普通克里格等方法的冠层和地面高度重建的精度。
Which the method one dimension compress store of large-scale sparse systems of equal bandwidth positive definite symmetric linear equitions being used for solving the function of peotential distribution from normal resistivity logs,the solving method of this paper can normally deal with parameters from 1 to more than 2×10~6.
在用有限元法进行普通电阻率测井中的电位分布函数的求解过程中，使用了大型稀疏等带宽矩阵的一维压缩存储方法，从而使该求解过程的计算程序可适用于地层参数相差２００万倍以上的情况。
A maze running algorithm is proposed to find the shortest path between two given points in a grid with sparse rectangular obstacles.
给出了一个在具有稀疏矩形障碍的迷宫中寻找给定的两个单元之间的最短路径的算法。
A algorithm for solving large-scale sparse group of linear equations is presented.
给出了求解大规模稀疏线性方程组的一个实用算法；该算法能够保持矩阵的稀疏性和减少存贮量，并且能够求解一些大规模的问题。
Collaborative filtering is the most prevalent algorithm of personalized service,but there are always two difficult problems for collaborative filtering algorithms,that is,data sparsity and expansibility.
协作过滤是当今应用最为普遍的个性化推荐算法,然而数据的稀疏性和算法的可扩展性一直是协作过滤算法所面临的两大问题。
The sparsity and the problem of the curse of dimensionality of high-dimensional data, make the most of traditional clustering algorithms lose their action in high-dimensional space.
高维数据的稀疏性和"维灾"问题使得多数传统聚类算法失去作用,因此研究高维数据集的聚类算法己成为当前的一个热点。
"Native mainly to temperate regions, truffles flourish in open woodlands on calcium-rich soil."
原来主要产于温带,多生于稀疏林地的富含钙质土壤中。
The African wild dog, also called Cape hunting dog or painted dog, typically roams the open plains and sparse woodlands of sub-Saharan Africa.
非洲野狗又称猎狗或彩色狗,通常出没在撒哈拉以南非洲的开阔平原或稀疏林地.
areas of dense/sparse population
人口稠密 [稀疏]的地区.
sparsely covered with stunted trees or vegetation and underbrush.
被矮小的树、植被或丛林稀疏得覆盖。
Biomass, Net Primary Productivity, and Ecological Restoration of Sparse Forest Grassland Ecosystem of Hunshandake Sandy Land;
浑善达克沙地稀树疏林草地生态系统研究：生物量、生产力与生态恢复途径
Grassland with scattered clusters of trees or shrubs.
稀树高原稀疏地散布着树丛和灌木丛的草地
He bent down to regard a lean file of spearmint growing by the wall.
他弯下身去望着沿墙稀稀疏疏地长着的一排留兰香。
densely/thickly/sparsely/thinly populated regions
人口密度大[稠密/密度小/稀疏]的地区.
Towards the end of town, the houses thinned out.
小镇的尽头房子慢慢地变稀疏了。
Study on the Natural Thinning of Population in Man-made Japanese Larch Forest.
日本落叶松人工林种群自然稀疏规律的研究
Classification of Sparse Desert Riparian Forest in Extreme Arid Region
极端干旱区荒漠稀疏河岸林遥感分类研究
savanna woodland
热带稀树〔干〕草原林地
Small trees became thinly scattered among less dense thickets.
小树稀稀朗朗地立在树林里。
He noted with chagrin how little hair clung to his head.
他苦恼地发现原来他头上的毛发是那麽的稀疏。
The moon was climbing higher and higher; its light began to fall here and there in masses through the more open districts of the wood;
月亮越爬越高，它的光芒穿过树林比较稀疏的部分，落到了各个角落。
Instead of returning to the road, he cut diagonally through a scattering of pine trees.
他没有顺原路走，而是钻进一片稀疏的松树林抄近路走。
Centaurus population is thinly spread across these colonies, now totalling approximately 5 billion human beings.
半人马星座人稀疏地在这些殖民地扩展，现在总数大约达到50亿人。
Research on Intensive Use of Construction Land in Sparse Town Areas--Take Gansu Province as an Example
城镇稀疏地区的建设用地集约利用研究——以甘肃省为例