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Virtual Special Issues (VSIs) are a new format introduced to System to highlight previously published articles that made a particular impact on the field. This introduction to the first VSI, “TELL us about CALL”, shows developments of Technology enhanced (TELL) or Computer Assisted (CALL) language learning represented through often-cited articles. As one of the most prominent and long-standing journals...
Chinese is considered a difficult language to learn by most Western learners, yet recently more and more people are learning Chinese, and increasingly teaching is delivered online. Due to the nature of Chinese and the complexity of online learning, research has not yet produced sufficient information on students' and teachers' interaction during synchronous online sessions.This exploratory study investigates...
An approach for estimating ground surface rupture caused by strong earthquakes is presented in this paper, where the finite element (FE) method of continuous and discontinuous coalescent displacement fields is adopted. The onset condition of strain localization is introduced to detect the formation of the slippage line. In the analysis, the Drucker-Prager constitutive model is used for soils and the...
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