improved semi-supervised locality preserving projections
...改进半监督局部保持投影；权值矩阵；邻域参数；滚动轴承[gap=1181]Key words: fault diagnosis; improved semi-supervised locality preserving projections; weight matrix; neighborhood parameter; roller bearing..
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improved semi-supervised locality preserving projections
改进的半监督局部保持投影
以上为机器翻译结果，长、整句建议使用 人工翻译 。