This is a fully electronic audio and visual detecting system that is that is surprisingly easy to use.
这仪器是一个完整的电子收音机和目视检测，这些的使用方法都是十分简单。
In the meanwhile, the involvement of classical arts also gives the electronic audio-visual media cultural and artistic connotation.
同时，经典艺术的介入，也提高了电子视听媒体传播内容的文化底蕴和艺术内涵。
The application of electronic teaching means with audio-visual materials is very important in the teaching reform of the course of general Knowledge of the World History.
以音像资料为载体的电化教学手段运用在《世界通史》课程教学改革中具有重要作用。
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