The United States is leading the world in science and technology .
美国常在世界科技方面领先。
The technology has been the United States patent.
该技术已获美国专利。
United States is the most developed country on science and technology all over the world.
不是最发达的国家之一，是最发达的国家。
The United States is country which has advanced science and technology.
带有复数词尾的学科名称、国家等在意义是暗示单数概念，用单数动词。
The United States is country which has advanced science and technology.
带有复数词尾的学科名称、国家等在意义是暗示单数概念，用单数动词。
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