| Subject | English | Chinese |
| IT | unsupervised classification | 无监督分类法 |
| space | unsupervised classification | 非监督分类 |
| AI. | unsupervised classification | 无监督分类 |
| environ. | unsupervised image classification Unsupervised classification is a kind of classification which takes place with minimum input from the operator; no training sample is available and subdivision of the feature space is achieved by identifying natural groupings of the measurement vectors | 非监督图像分类 (非监督分类是一种有最小算法输入的分类，它没有训练样本。通过确定度量向量的自然分组来实现对特征空间的划分。) |