The USDA guidelines recommend five and a half ounces of meat (defined to include chicken and fish) per day, or meat substitutes (vegetable protein products) or beans if you prefer not to eat meat.
USDA指南中建议人们每天或吃5.5盎司的肉类(其中要包括鸡肉和鱼类)；如果你不想吃肉，可以选用素肉(蔬菜蛋白产品)或豆制品。
The study concluded that Sorghum hybrid sudanense and Medicago sativa can recommend as the field of biological substitutes for Flaveria bidentis.
研究结论认为可以推荐高丹草和紫花苜蓿为黄顶菊田间生物替代材料。
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