这种教学方式打破了传统教学的时空界限，可以让人们体验到自由获取知识的乐趣。
This teaching method has break down the traditional limitation of time and space, which can make people enjoy acquiring knowledge freely.
教师劳动的目的和劳动对象决定了其劳动的范围极其广泛，而且没有严格的时空界限。
It's the purposes and the objects of the teachers' work to decide the extensive range and no strict time space limitation.
它可以打破时空界限，使人们无论在何时何地都能进行相互交流，可使信息处理更系统，全面。
It can break the time and space boundaries, so that no matter when and where people can exchange with each other, make information processing more systematic and comprehensive.
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