structural linguistic 的英文定义是啥,

结构语言学,1是关于这种方法论,2是关于这种流派的介绍.
1.a usually synchronic approach to language study in which a language is analyzed as an independent network of formal systems,each of which is composed of elements that are defined in terms of their contrasts with other elements in the system.
2.a school of linguistics that developed in the U.S.during the 1930s–1950s,characterized by such an approach and by an emphasis on the overt formal features of language,esp.of phonology,morphology,and syntax.