They're all Beta vulgaris, the way black Labradors and golden retrievers are all dogs.
都是甜菜属，就像黑拉布拉多犬和金毛都属狗类。
Sugar beet (Beta vulgaris L. ) is an important sugar crop in the world, but its yield and quality are attacked severely by many diseases.
甜菜是世界上重要的糖料作物，但生产中甜菜病害较多，其产量和品质受到严重威胁。
Sugar beet (Beta vulgaris L. ) is an important sugar crop in the world, but its yield and quality are attacked severely by many diseases.
甜菜是世界上重要的糖料作物，但生产中甜菜病害较多，其产量和品质受到严重威胁。
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