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美国印第安纳州贝尔公司称为世界上最大的光纤交互式远距离学习网,采用了960公里多的光缆,这一正在建造的闭路系统是专门为印第安纳波利斯公立学校建设的,该网将为印第安纳波利斯公立学校的90多个场所提供了交互式远距离学习、电视会议和电视节目。网的用户包括小学、初中、高中和有选择的行政管理大楼。据印第安纳州贝尔公司的项目经理George Lamar说,该系统将实现两地间的双向电视通讯和多点视通讯,他说:“双向电视通讯可使学生能够向老师提问题,学生和老师以及学生之间可以互相交流”。
Bell Labs, Indiana, Calif., Is the world’s largest fiber-optic interactive distance learning network with more than 960 kilometers of fiber optic cable. The closed-circuit system being built specifically for the Indianapolis Public Schools will be More than 90 sites at Indianapolis Public Schools provide interactive distance learning, video conferencing and television programming. Web users include elementary, junior high, high school and selective administration buildings. According to George Lamar, program manager at Bell Labs in Indiana, the system will enable two-way and multipoint video communications between locations, saying: “Two-way television communications allow students to ask questions from teachers, students and teachers, and students Can communicate with each other ”.