1. Epenthesis strategy follows "preserving maximally" principle, and inserted vowel types reflect human beings' perceptual ability.

2. The insertion of a vowel in the plural of the word & quot ; bush & quot; is epenthesis.

3. More practical ray tracing methods currently include the wavefront method, the shortest path method, the travel time epenthesis method, the eikonal equation finite difference method, etc.

4. In the process of learning English for the native speakers of Chinese, epenthesis, deletion and replacement (or feature change), frequently occur.

5. A change that involves the insertion of a consonant or vowel sound to the middle of a word is known as epenthesis.