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当今,世界上便携式电话和汽车电话在迅速发展,1992年日本销售量约为200万台,预计到2000年可达到1000万台;1992年美国销售量为1000万台,到2000年可达到2600万台;欧洲亦在高速发展。便携式和
Today, the world’s cellular phones and car phones are rapidly growing. Japan sold about 2 million units in 1992 and is expected to reach 10 million units by the year 2000. In 1992, the United States sold 10 million units and by 2000 reached 2600 Million; Europe is also rapid development. Portable and