S. being a major producer of agricultural products and being mostly self-sufficient, oil is a very important commodity used in agriculture production and the U. S. needs to import most of its oil.
尽管美国是农产品的主要生产国,并且能够基本实现自己自足,但是农业生产依赖于石油,而美国的大多数石油需要进口。
Food demand is a rigid problem, the essence of the problem of grain self-sufficient rate is how to increase crop production.
粮食需求是一个刚性问题,粮食自给率的问题实质是如何提高粮食产量。
China has a long-standing ambition to be self-sufficient in grain - rice, wheat, maize (corn) and soya beans - yet it imported some 95 million tonnes last year, about 17% of its domestic production.
中国长期以来一直有信心在粮食方面自给自足,比如大米,小麦,玉米以及大豆,虽然去年进口了9.5亿吨,相当于国产的17%。最近有人担心说中国粮食进口量加大会引起粮价上涨。
China has a long-standing ambition to be self-sufficient in grain - rice, wheat, maize (corn) and soya beans - yet it imported some 95 million tonnes last year, about 17% of its domestic production.
中国长期以来一直有信心在粮食方面自给自足,比如大米,小麦,玉米以及大豆,虽然去年进口了9.5亿吨,相当于国产的17%。最近有人担心说中国粮食进口量加大会引起粮价上涨。
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