Moving in the expression from 2D space to 3D space further into multiple-dimension space,the model takes into consideration the differences between distinctive features of phonemes in importance and introduces the concept of "difference weight of distinctive features",which renders it possible for qualitative and quantitative analysis of distinctive features of phonemes.

The theorem of the distinctive features is an important component of modern phonetics.

Based on fundamental theories of English phonetics and phonology,the paper gives a relatively comprehensive account of English consonant cluster s structure and phonetic features from the perspective of the definition,cause,and formulation of neutralization of English consonants as well as their distinctive features and oppositions.

The article approaches the issue from the perspective of iconicity in order to probe into the distinctive features of sexism in English language from different aspects: marked iconicity,number iconicity,order iconicity,range iconicity and metaphor iconicity,so as to reveal its social origin.

It is one of the important claims of phonological theory that all speech sounds are not indivisible wholes but can be decomposed into sets of distinctive features.