名词中文翻译
中文翻译：分级
同义词：
['grading scale', 'grading system']
例句：
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1.The grades are based on a complex algorithm.
这些成绩是基于一个复杂的算法得出的。
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2. The teacher graded the test papers with great care.
老师非常仔细地批改了试卷。
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3.The students were graded based on their performance in the exams.
学生的成绩是根据他们在考试中的表现来评定的。