在世界商用卫星主承制合同的竞争中，日本的卫星制造商尚难以与美国和欧洲的大公司相匹敌。究其原因，除了日本的卫星工业生产成本高、日元比价偏高和受到贸易限制等因素外，日本没有一种通用卫星平台可以投入市场，也是重要原因之一。例如，美国休斯公司拥有历史悠久的Ｈ... In the competition of world commercial satellite master contract, Japan’s satellite manufacturers are still difficult to match with large companies in the United States and Europe. The reason is that, besides the high production costs of Japan’s satellite industry, high Yen prices, and trade restrictions, Japan’s lack of a universal satellite platform can be one of the important reasons. For example, the American Hughes company has a long history of H...