名词
中文翻译：Unknown
同义词：
['specification', 'graded', 'designated']
例句：
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1. The company has specified anew product line for the next quarter.
该公司已为下一季度指定了新产品线。
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2.The engineers have designed a specificationfor the new machine.
工程师们已经为新机器制定了规格。
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3. The graded systemensures that each student receives an appropriatelevel of support.
分级制度确保每个学生都能得到适当的支持。