求翻译：评价语应及时、有效，富于适时性。从信息论的角度看，从传递到反馈需要一定的时间。教师肯定正确和纠正错误要看准时机，评价太迟会引起学生的误解，浪费时间；评价过早。有时也不利于学生的深入思考。是什么意思？

Evaluation of language should be timely, effective and full of timeliness. From the perspective of information theory, from passing to the feedback needs a certain amount of time. Certainly the right teachers and correct errors saw the opportunity, the evaluation too late to cause misunderstanding o

Evaluation should be timely, effective, and timely. Information theory from the point of view, from the feedback requires a certain amount of time. Teachers will certainly correct and correct errors to take the opportunity to assess students too late cause of the misunderstanding and a waste of time

The appraisal language should be prompt, be effective, is rich in the timeliness.Looked from the information theory angle that, from transmits needs certain time to the feedback.The teacher affirmed correct and the correction wrong must settle on the opportunity, the appraisal too late can cause stu

Evaluation of language should be timely, effective, and timeliness. From the viewpoint of information theory, from delivery to the feedback requires a certain amount of time. Teacher is right and correct the error waiting for the right time, too late can cause students ' evaluation of misunderstandi

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