您要查找的是不是：
- 稀疏KPCAsparse KPCA
- 稀疏sparsity
- KPCAKPCA(Kernel PCA)
- 稀疏的thin
- KPCA算法KPCA algorithm
- KPCA核主元分析Kernel Principal Component Analysis(KPCA)
- 核主元分析（KPCA）KPCA
- 人口稀疏。The population was sparse.
- 核主成分分析（KPCA）KPCA
- 稀疏矩陣sparse matrix
- 核主分量分析（KPCA）kernel principal component analysis
- 他頭發(fā)稀疏。He has thin hair.
- 核函數主元分析（KPCA）KPCA
- 此地人口稀疏。This area is thinly populated.
- 樹(shù)木稀疏。The trees are sparse.
- 他長(cháng)著(zhù)稀疏的胡子。He has a sparse beard.
- 稀疏的人口a thinly scattered population
- 半稀疏草毛semi-sparse pubescence
- 稀疏零落sparse and scattered
- 稀疏織法an open weave
