special objects的用法和樣例：
例句
- In pattern recognition and in image processing, Feature extraction is a special form of dimensionality reduction.
在模式識別和圖像處理領域中，特徵提取是一種特殊的維數降階的形式。 - Finally, the extended MCTS EMD is used to extract the feature signal of a special vehicle and it is in agreement with the analysis result.
最後將它應用到實際某特種車輛振動信號的特徵提取中，得到了滿意的結果。
