名词
中文翻译：Unknown
同义词：
['grade standard', 'grade norm', 'grade criterion']
例句：
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1. The school has set a new class standard for this semester.
学校为这个学期设定了新的班级标准。
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2. The teacher emphasized the importance of maintaining good grade standards.
老师强调了保持良好成绩标准的重要性。
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3. The company has established a strict grade standard to ensure quality control.
公司制定了严格的成绩标准以确保质量控制。