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Feature involving special visual and sound effects. 包含有特殊的音像效果的圖象。
By using the computer medium with some audio and image documents, the best teaching result will be obtained. 全部采用多媒體教學(xué)，適當(dāng)穿插一些音像資料，以達(dá)到最佳的教學(xué)效果。