英语释义

• the property of being scanty or scattered; lacking denseness

片语

effect sparsity效应稀疏性质

spatial sparsity空间稀疏性

few and far between稀少；彼此相距很远；不常发生

data sparsity数据稀疏

sparsity decomposition稀疏分解

sparsity subspace稀疏子空间

sparsity problems稀疏性问题

rarefaction[声] 稀疏；（气体）稀薄

matrix sparsity矩阵稀疏性

sparsity pattern稀疏模式

英汉例句

• the collaborative filtering (cf) algorithms often suffer from data sparsity problem.

  评分矩阵数据稀疏问题严重影响协同过滤推荐性能。

• whole sparsity and local sparsity are proposed aiming at the sparsity of sar images.

  并针对sar图像的稀疏性，提出了整体稀疏性与局部稀疏性的概念。

• it is hard to cluster high-dimensional data using traditional clustering algorithm because of the sparsity of data.

  在高维空间中，由于数据的稀疏性，传统的聚类方法难以有效地聚类高维数据。

• the node ordering optimization is one of the key problems in sparsity technology and it is difficult to get its optimal solution.

  节点优化编号问题是稀疏技术的关键内容之一，求其最优解比较困难。

• iterative correction algorithm to preserve sparsity of the stiffness matrix was proposed.

  提出了一种迭代修正算法，可保持反演结果的稀疏性；

• the magnitudes of items and users in the system results in the extreme sparsity of user rating data, which makes it difficult to find neighbors effectively.

  随着系统中资源数目和用户数目的不断增加，在整个资源空间上用户评分数据极端稀疏，给有效的查找最近邻居带来了很大的困难。

• it discusses the exploitation of sparsity in large lp problems as used in practice.

  对高阶线性规划问题实际应用的稀疏技术的开发作了探讨。

• the fast inverse iteration algorithm and sparsity technique are also exploided to reduce the computation time and memory requirement.

  在算法上采用快速逆迭代原理并应用稀疏存贮技术有效地节约了机时和内存。

• the performance of the method is analysed by a series of simulation experiments based on the sparsity of sar images, the noise and the dictionary of match pursuit.

  从sar图像的稀疏性、噪声以及匹配追蹤算法的字典三个方面出发，通过一系列的仿真实验，对本文方法性能进行了分析；

• stylistically, the ibm/mainframe roots of rexx show in its case-insensitive commands; and to a lesser degree in the relative sparsity of punctuation it uses (preferring keywords to symbols).

  在文体上，rexx的ibm/mainframe根源体现在它对命令的大小写敏感；在某种次要程度上也体现在它使用标点符号相对较少 （更多用关键字而不是符号）。

• in research, sample data were mapped to sparse feature space to prevent the loss of svm's sparsity when the kernels were fused.

  为避免在进行核融合时，支持向量机稀疏性的缺失，提出将数据映射到稀疏特征空间进行研究。

• a dense matrix arising from mom can be stored in sparsity after compressed.

  一个由矩量法生成的稠密矩阵经过压缩后，可以稀疏存储。

• objective to introduce a new facial lifting method to eliminate the complications such as alopecia areata, sparsity of hair and sub crust healing of the scalp in rhytidectomy.

  目的为在除皱术中尽可能减少斑状脱发、头发稀疏和头皮痂下愈合等并发癥的发生，探讨一种新的除皱术式。

• taking adventage of sparsity of the matrix produced in optimum structural design, a sparse algorithm is suggested in this paper.

  文中还结合结构优化设计中线性规划的矩阵稀疏性，提供了一个比较有效的算法。

• the theme for this thesis is to exploit sparsity in a number of wireless communication problems.

  本论文中我们利用信号的稀疏性解决一系列无线通信中的问题。

• and then it presented an optimized document frequency method and used this method to filter out some terms to reduce the sparsity of text matrix.

  然后给出了一个优化的文档频方法，并用它过滤掉一些词条以降低文本矩阵的稀疏性；

相似词

exiguous稀少的；细小的

light光；光线；灯；打火机；领悟；浅色；天窗

niggardlyad 吝啬地，小气地；很少量地

poor(Poor) （美）普尔（人名）

scant减少；节省；限制

scanty缺乏的；吝啬的；仅有的；稀疏的

scarcead 仅仅；几乎不；几乎没有

skimp少的；不足的

skimpy不足的；吝啬的

slender细长的；苗条的；微薄的

slim苗条的；修长的；微小的；差的

spare额外的，备用的；多余的；瘦高的，瘦长的；简朴的；未装饰的；空閑的；少量的；节约的

sparing适度的；节俭的；缺乏的

stingy吝啬的，小气的；有刺的；缺乏的

相反词

abundant丰富的；充裕的；盛产

ample(Ample)人名；(西)安普尔

bountiful丰富的；慷慨的；宽大的

copious丰富的；很多的；多产的

generous慷慨的，大方的；宽宏大量的；有雅量的

liberal(Liberal)人名；(葡)利贝拉尔

plenteous丰富的；丰饶的

plentiful丰富的；许多的；丰饶的；众多的