名词
中文翻译：谷物流动
同义词：
['grain movement', 'grain flow', 'grain movement']
例句：
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1. The grain flowis crucial for the growth of crops.
谷物流动对农作物的生长至关重要。
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2. The grain flow is monitored to ensure food security.
谷物流动受到监控，以确保粮食安全。
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3. The grain flow is a complex process that involves many factors.
谷物流动是一个复杂的过程，涉及许多因素。