名词短语
中文翻译：二级基准线
同义词：
['secondary benchmark', 'secondary referencepoint']
例句：
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1. The company's performance is closely monitored by thesecond-order bench mark.
该公司的业绩受到二级基准线的密切监控。
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2. The newpolicy will be a significantimprovement over the current second-order bench mark.
新政策将比现行的二级基准线有显著改进。
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3. Theteam set a new second-order benchmark for efficiency in their project.
团队为他们的项目中的效率设定了新的二级基准线。