英语释义

• the property of being scanty or scattered; lacking denseness

片语

population sparseness人口过疏

spectral sparseness频谱稀疏性

sparseness sparsity稀疏

rarefaction[声] 稀疏；（气体）稀薄

data sparseness数据稀疏

fuzzy sparseness模糊稀疏度

channel sparseness信道的稀疏性

lifetime sparseness时间维稀疏性

sparseness representation稀疏表达

few and far between稀少；彼此相距很远；不常发生

英汉例句

• such a taxonomy is expected to be particularly useful here, due to the large number of items and the sparseness of data per item (mostly attributed to 「tracks」 rather than to 「artists」).

  这样的分类是非常有用的，因为条目巨多并且每条数据不全（因为有 「track」属性而没有 「artists」属性）。

• although the sparseness of the data may suggest that the social network is not always applicable, a solution to utilize the network in these cases is presented.

  数据的稀疏性意味着社会网络并不总是可用，在这种情况下提出一种解决方案，很好地利用了社会网络的有效信息。

• the quantity and the size of the crystalline granules increase with the preparation time, the crystalline granules are dispersed gradually from sparseness to all over of the substrate;

  基体上晶粒的数量随着制备时间的增加而增加，晶粒的尺寸随着时间的增加而长大，晶粒逐渐从基体表面上的稀疏分布直到布满整个基体；

• first, the unobserved values in the rating data were filled by biased matrix factorization (bmf) model to address the sparseness problem of rating data.

  首先，针对评分数据的稀疏性，使用带偏置的矩阵分解（bmf）模型对其进行填补；

• in order to solve the sparseness of ls-svm results and restrain the influence of the sample-outliers, a new method of optimized samples by part samples center distance is presented.

  为了克服ls-svm解非稀疏性的缺点，同时抑制偏差较大的训练样本对海底趋势面构造的影响，提出一种基于局部样本中心距离的训练样本优化方法。

• the sparseness of the nano is in some ways a welcome counterblast to costly add-ons found in the west, where cars are becoming almost as intelligent as their drivers.

  nano这样的稀有之物是受欢迎的，是对西方那些昂贵附加组件的叛逆，那些车变得和他们的车主一样智能。

• the data sets have features such as high-dimensional, sparseness and binary value in many clustering applications.

  在许多聚类应用中，数据对象是具有高维、稀疏、二元的特征。

• but its quakes, however frequent, are usually quite small. and the sparseness of the country’s human population, at just 4m, has meant that severe damage and loss of life are rare.

  不过，这里的地震虽频繁，但通常很微弱，且该国人烟稀少，仅仅400万之众，这意味着惨重破坏和人员生命损失几率极微。

• wang chong believed that credulity, no-efficacy and sparseness of knowledge, is the epistemological basis of theism;

  王充认为，知贫识浅、茍信闻见、论事不引效验是有神论产生的认识论根源；

• in this paper, an improved algorithm of image feature extracting for independent component analysis was proposed based on basic functions' maximization of sparseness .

  利用基函数稀疏性的极大值特点，本文提出一种改进的基于独立分量分析的图像特征提取算法。

• support vector regression is an important kind of method for regression problems. the predicting speed of support vector regression is proportional to its sparseness .

  支持向量回归机是一种解决回归问题的重要方法，其预测速度与支持向量的稀疏性成正比。

• the transform is characterized by optimum sparseness constraint condition that makes the mapping energy of primary reflections on a set of basis function as small as possible.

  该变换具有最优稀疏约束条件，能使一次波在一组基函数上的投影能量尽可能小。

• alignment template and phrase-pair have their advantage respectively. alignment template can handle data sparseness problem better, and phrase-pair can make the translation process more exactly.

  对齐模板和短语对各有优势，对齐模板能够较好处理数据稀疏的问题，短语对可以使翻译更加精确。

• his exquisite compression and vividly cinematic imagery are instantly attractive, but the elemental sparseness of his language can often be rendered as colourless and bland.

  虽然高度凝练的语言和生动的电影般的意象会即刻将人吸引，但语言元素的简约却常常会被翻译得苍白乏味。

• data sparseness is a serious problem in collaborative filtering system.

  数据稀疏性是协同过滤系统面临的一个巨大挑战。

• the experiments on several pattern classification problems show that hs-lssvm has high sparseness while holds good classification performance and its sparse process is fast.

  支持向量回归机是一种解决回归问题的重要方法，其预测速度与支持向量的稀疏性成正比。

• on the basis of ridge regression, a new method named sparse smooth ridge regression was proposed by considering the global dimension smoothness and the sparseness of the projection matrix.

  在岭回归的基础之上，进一步考虑投影中维度的平滑性和投影矩阵的稀疏性，提出稀疏平滑岭回归方法。

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