名词短语
中文翻译：清扫梯度同义词
同义词：
['clean gradient', 'clear gradient']
例句：
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1. The engineer scavenged the old equipment to create a new gradient for the project.
工程师清理旧设备，为项目创建新的梯度。
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2. The scientist scavenged data from various sources to analyze the environmental gradients in the region.
科学家从各种来源收集数据，分析该地区的环境梯度。
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3. The research team scavenged information from historical records to study the evolution of the species over time.
研究小组从历史记录中收集信息，研究物种随时间演变的过程。