computer-assisted language learning
foreign language learning
Language learning strategies
On the factor of age in foreign language learning
Adaptive Learning System
web-based learning system
multimedia interactive videodisc learning system
positive list system system
abstraction simple (short) sentence anaphoric struc ture source language target language
learning strategy and learning way
7-year system switching to 8-year system
Accounting environment Accounting theoretical system Accounting standards system
bridge transformed from simple-supported system into continuous system
cardiovascular system and cerebrovascular system
C-band unified TTC system and C-band mono-pulse measuring radar system
CF system core flooding system
changing oil system into coal system