以下为句子列表：
英文: A device, such as a saw, used to perform or facilitate manual or mechanical work.
中文: 器具，工具用来进行或促进手工或机械工作的器具，例如锯子
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英文: The results showed that the wet area increased and the shape of patch was regular, which helped to mechanical work and field management, but the landscape multiplicity was reduced.
中文: 结果表明：整理后水田面积增大，斑块形状规则，有利于机械化作业和田间管理，但同时景观多样性略有降低。
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