求翻译：该系统主要用于课堂教学，教师可根据教学需要，通过鼠标、键盘来演示教学内容，或命令“学生机”发送屏幕习情况。并实时反馈对学生练习、回答的意见。在英语口语教学中，学生可以通过这种学习即时反映学习过程中遇到的难点，并及时向教师寻求解答方法，既有利于调动学生学习的主动性，又能充分发挥教师的作用是什么意思？

The system is mainly used for classroom teaching, teachers teaching needs, via mouse, keyboard to demonstrate the teaching content, or command "student machine" send screen learning situation. And real-time feedback for students to practice, to answer the comments. In oral English teaching, students

The system is mainly used for teaching and learning in the classroom, teachers may need to be, based on teaching through mouse, keyboard, or an order to demonstrate teaching content " students send screen machine" learning. Real-time feedback to students and practitioners, to answer the comments. in

This system mainly uses in the classroom instruction, the teacher may according to the teaching need, through the mouse, the keyboard demonstrates the course content, or order “study vitality” transmission screen custom situation.And the real-time feedback practices, the reply opinion to the student

This system is mainly used for classroom teaching, teaching of teachers according to need, demonstration teaching by mouse, keyboard, or the command "student" send screen learning situations. Views and feedback on students ' practice, in real time to answer. In the teaching of spoken English, studen

This system is mainly used for classroom teaching, teaching of teachers according to need, demonstration teaching by mouse, keyboard, or the command "student" send screen learning situations. Views and feedback on students ' practice, in real time to answer. In the teaching of spoken English, studen