求翻译：教师应要求学生按时交作业，学生的作业应全批全改。对全校性的公共基础课，全批全改如确有困难，经院（系）批准后可适当减少，但不得少于二分之一。批改作业要准确、及时，对做错的要指明错处和解题思路，并要求学生纠正，应结合作业情况，适当进行作业讲评。是什么意思？

Teachers should ask students homework on time, students' work should be approved full change. Public school of the basic course, the whole change in the whole batch if indeed difficult, after approval by the (Department) may be appropriate to reduce, but not less than half. Correcting homework to be

Teachers should ask students to work on time, the students of the batch job should be full. In the essentials of public school, the group changed such as the situation is indeed difficult, the (department) is approved to reduce, but shall not be less than 2 minutes. Reviewing assignments must be acc

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Teachers require students to hand in their homework on time, students ' work should be modified. Basic course on the school, change if there are difficulties, institution (Department) the approval may be appropriate to reduce, but not less than one-second. Correcting homework to accurate and timely,

正在翻译，请等待...