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1.The school has a locating grade system for its students.
学校对学生实行了定位等级制度。
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2.The locating grade is based on the student's performance in various subjects.
定位等级是根据学生在各科的表现来确定的。
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3. The locating grade is used to determine which students will be promoted to higher levels.
定位等级用于决定哪些学生将被提升到更高级别的学习阶段。