马铃薯是仅次于水稻、小麦、玉米的世界第四大粮食作物，在国民经济中具有重要作用。
Potato (Solanum tuberosum. L) is one of the most important crops in the world ranking fourth after rice, wheat and maize, and plays a significant role in economy.
马铃薯是世界第四大粮食作物，在我国粮食、蔬菜、饲料和加工原料生产上占有重要地位。
The potato is the forth-largest crop in the world, and it is the major source of the food, vegetable, forage and the process and production of raw materials in our country.
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