| 1. | Linguistic elements , such as phonological features , syntactic units , and language groups are related to each other in complex ways . these relationships can be represented by matrices , networks , trees , and other graphic devices
语音特徵、句法单位、语言分支等语言元素之间的关系异常复杂，可用矩阵、网络、树和其他图像方式表示。 |
