共时语言学是对某一特定时期语言的研究。
Synchronic linguistics is the study of language at a certain point of time.
有关语言学静态的一切都是共时的，有关语言学动态的一切都是历史的。
It is also necessary to carryout some degree of synchronic work before making a diachronic linguistics .
索绪尔提出的有关共时语言学和历时语言学相区别的理论，对于语言研究具有普遍的指导意义。
The theories about distinguishing synchronic linguistics and diachronic linguistics put forward by Saussure are of guiding significance in the study of language.
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