您要查找的是不是：
- Beef Improvement Federation 肉牛改良联合会
- National Swine Improvement Federation 全国淀粉与化学公司
- Argentina is a big exporter of beef products. 阿根廷是牛肉制品的一大出口国。
- Africa is exporting beef to Europe. 非洲向欧洲出口牛肉。
- The dish of boiled beef and carrot tastes good. 那道清炖牛肉胡萝卜的菜味道不错。
- He sat by the fire, devouring beef and onions. 他坐在火炉旁，狼吞虎咽地吃着牛肉和洋葱。
- She sliced the onion and put it in the beef stew. 她将洋葱切片放入炖牛肉中。
- He had a plate of beef for lunch. 他午餐吃了一盘牛肉。
- My beef is that it took too much time. 我的抱怨是太花时间了。
- Work hard, put some beef into the design. 努力吧!在这个设计上加把劲。
- There is need for improvement in your handwriting. 你的书法需要改进。
- Among those, Townsend says, are improving federal support for local law enforcement, much of which was overwhelmed by the storm. 汤森说,这其中包括了改善联邦政府对地方执法机构的支持,许多这种地方执法机构对飓风力不从心。
- The beef is roasting in the oven. 烤箱里正烤着牛肉。
- There's been an overall improvement recently. 近来各方面都有所改进。
- We all hope for an improvement in the weather. 我们都希望天气好转。
- The beef is roasting nicely on the spit. 这块牛肉在烤肉叉上烤得很好。
- His health is showing signs of improvement. 他的健康状况显出好转的迹象。
- Would you like some beef steaks? 想要些牛排吗？
- By simulations and calculations，it is shown that the improved federated filter can effectively use observation information’s and adaptively adjust some parameters of the system. 由仿真结果可知，改进的联邦滤波器能较好地利用测量信息对系统的相关参数进行自适应的调整，滤波结果具有很好稳定性和准确性。
- The changes are an improvement in one way. 这些变从某种意义上说是一种进步。
