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只要你打开电视,就能收看到许多由围绕地球旋转的同步通信卫星传送来的电视节目,卫星实况转播现已成为生活用语。对此习以为常的人们或许很少去想,就在几十年前,利用卫星转播电视节目还是件不可思议的事情。
As long as you turn on the TV, you can watch many television programs delivered by synchronous communications satellites rotating around the earth. Live satellite transmission has now become a term of everyday use. People who are accustomed to this may seldom think about it. Just a few decades ago, the use of satellite television programs was an incredible thing.