لیست کتاب های کلمه کلیدی: #variability

Understanding Variable Stars

Published on: 2007

Beginner Astronomy English

Variable stars are those that change brightness. They come in many varieties, but each one provides important information about the …

stars variability astronomy observation astrophysics

Variable Properties in Language Their Nature and Acquisition (Georgetown University Round Table on Languages and Linguistics Series)

Published on: 2019

Unordered Language Learning English

language acquisition variability linguistics properties

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