金门国家娱乐区利用播客系统给公园的粉丝们一个学习科学和远程跟随着影响的机会。
Golden Gate National Recreation Area USES podcasts to give park fans a chance to learn the science and follow impacts remotely.
早期的远程学习借助于邮政系统，现在使用的是计算机、卫星和互联网。 远程学习并不是一个崭新的概念，最早的远程学习可能是皮特曼组织于十九世纪末开设的速记课程。
The first structured distance learning or correspondence courses were probably the shorthand courses offered by the Pitman organization at the end of the 19th century.
第四部分是基于卫星宽带远程环境对学习服务支持系统具体的构建思考。
Part four explores the construction of the Learning Support Services System based on the environment of Satellite Broad Band.
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