Presentations with overhead projection or slides may soon look old-fashioned.

用投影仪或者幻灯片来做陈述也许很快就会显得过时了。

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Harvey: These figures, on overhead projection, follow the sale of Suki Tofu since it was launched onto the Australian Market.

哈维：投影仪上显示的这些数据就是素喜豆腐进入澳洲市场之后的销售记录。

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Front-projection microdisplays will drive overhead projectors and home theater systems, according to Chinnock.

CNN: Watch for microdisplays this year