一定条件下，过分强调远程教育的技术手段，可能会制约教育的开放度；

If we emphasize the technology of distance education unproperly, it will restrict the opening level of distance education.

youdao

远程教育具有灵活性和开放性，不受时空和学习进度的限制。

Distance learning adds flexibility and availability, regardless of time, place, or pace of learning.

youdao

We have 90 extension school students who are taking the course via distance education, so we have a huge group that will be joining us at the 2010 CS50 fair and the those photos you saw a moment ago depicted 2009's.

这里有90个来自哈佛开放学院的学生,他们正在通过远程教育来学习这门课程，所以参加2010年CS50课程的团体是很庞大的,刚才你们看到的图片显示的是,2009年的数据。

哈佛公开课 - 计算机科学课程节选