features recognition的用法和樣例：
例句
- Gait recognition is a new biometrics recognition technology, which will be applied extensively.
摘要步態識別是一種新興的生物特徵識別技術，具有廣泛的應用前景。 - The case study shows the undercut features and improves the efficiency that the proposed method is available in recognizing in undercut feature recognition.
實例測試表明，該側凹特徵識別方法可以有效地識別注塑產品中的側凹特徵，提高側凹特徵的識別效率。
