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通过自动智能应答，既加快了反应速度，又减轻了教师的负担。
The automatic intelligence response can improve the reflection speed and reduce the teachers burden.
youdao
-
通过自动智能应答，既加快了反应速度，又减轻了教师的负担。
The automatic intelligence response can improve the reflection speed and reduce the teachers burden.
youdao