sparsity

英

美

网络  稀疏度; 稀少; 稀疏性; 稀疏问题; 稀疏

BNC.45121 / COCA.45310

英英释义

noun

• the property of being scanty or scattered
  Synonym:sparsenesssparenessthinness

双语例句

• This is not only because of the sparsity of the fringed.
  这不仅是由于条纹稀疏。
• However, with the increasing of system users and the number of goods, Collaborative filtering also faces severe challenges such as sparsity problem, accuracy problem and so on.
  但随着电子商务系统用户和商品数量的增加，协同过滤也面临着稀疏性、精确性等问题的考验。
• 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）。
• 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。
• Data set size, dimensionality and sparsity have been identified as aspects that make cluster more difficult.
  数据集合的大小，数据的维数和数据的稀疏性都是制约聚类的不同方面。
• In this paper, investigate the nonlinear inverse problem of sparsity constraint regularization.
  本文研究了非线性反问题的稀疏约束正则化方法。
• Result: GEPRB can reduce the cumulating thickness of the basilar membrane and that of the vascular pattern, so as to tighten up the sparsity of the spiral ganglion cells.
  结果：豁痰祛瘀颗粒能降低糖尿病大鼠升高的血糖，减轻糖尿病大鼠早期耳蜗基底膜、血管纹增厚程度，使稀疏的螺旋神经节细胞变致密。
• Thirdly, the application of these sparsity properties to SAR image feature-enhancement was investigated.
  然后，分析了稀疏约束在SAR图像分辨率增强中的应用方法。
• Research of Data Sparsity Problem in Recommendation Systems Based on Collaborative Filtering
  基于协同过滤推荐系统的数据稀疏性问题研究
• Sparsity of the target and the sampling rate on the reconstructed image quality also has been analyzed.
  并对目标物体稀疏性和采样率对图像恢复质量的影响进行了分析。