名词
中文翻译：多年生灌溉
同义词：
['annual irrigation', 'perennial watering']
例句：
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1. The perennial irrigation systemis designed to maintain the soil moisture levelsthroughout the growing season.
这个多年生灌溉系统设计用来在整个生长季节保持土壤湿度。
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2.The farmer decided to implement a perennialirrigation system to save water andreduce waste.
这位农民决定实施一个多年生灌溉系统来节约用水和减少浪费。
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3.The perennial irrigation system hasproven to be more cost-effective thantraditional methods.
这种多年生灌溉系统已经证明比传统方法更经济。