求翻译：国际互联网最初是为美国国防部建立的一个试验性网络，现在涵盖了世界范围内的2000多万台计算机，估计每年还要增加50万台。它提供电子邮件、数以千计的简报式新闻以及各种数据库服务。你可以用电子邮件把问候语与电视图像、声音、数据等压缩在一起。更重要的是，它通过大信息量的数据交换促进人们之间的合作。人们已经进行了在互联网现场传输声音和图像的实验。互联网的庞大规模使它有望成为信息高速公路的主干线。但为了支持越来越多的用户和多媒体应用，必须增加频带宽度，这是信息高速公路的核心技术问题。是什么意思？

正在翻译，请等待...

The Internet was initially established by the US Department of Defense for a pilot network now covers more than 2000 of the world-wide, it is estimated that each year 10,000 computers will increase by an additional 500,000 Taiwan. It provides e-mail, a 1000 briefing by the type information as well a

The internet is at first an experimental network which establishes for the American Department of Defense, now has covered in the worldwide scale more than 2000 ten thousand computers, estimated every year also must increase 500,000.It provides the email, thousands of bulletin type news as well as e

Internet is initially for the United States Department of Defense established a pilot network now covers more than 20 million computers worldwide, estimated annual increase of 500,000 units. It provides e-mail, thousands of brief news, as well as database services. You can use e-mail and television

Internet was a tentative network established for American Ministry of National Defence at first, contain worldwide more thanth computer now, estimate that increases by 500,000 every year. It offers the E-mail, thousands of bulletin type news and various database services. You can compress greeting a