据美国国防科学委员会的报告说,美国必须大幅度增加国家对超导体的研究与开发的经费以避免美国对外国超导材料来源的依赖。1989年美国国防部对超导研究开发的资助应增加50％达到1.2亿美元,而到1992年应提高到2.45亿美元。在1988年财政年度中,美国政府和工业界对超导研究的总共投资为1.45亿美元,而日本为1.35亿美元。但日本的数字没包括研 According to the report of the U.S. National Defense Science Council, the United States must substantially increase its national funding for research and development of superconductors to avoid the United States reliance on sources of foreign superconducting materials. In 1989, the U.S. Department of Defense should increase its funding for superconducting research and development by 50% to 120 million U.S. dollars and by 1992 to 245 million U.S. dollars. In fiscal year 1988, the U.S. government and industry invested a total of $ 145 million in superconductivity research, compared with $ 135 million in Japan. But Japan's numbers do not include research