双语例句
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This paper introduces the design and development of a medical ultrasonic irrigative and therapeutic apparatus.
目的：研制一种节水、高效的超声波冲洗治疗仪器。
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The supply and the using efficiency of the IWC restrict the growth of field irrigative scale and affects the security of food provision.
农田水利基础设施的供应及使用效率制约着农田灌溉规模的增长，影响着粮食供给的安全性。