presentation of documentary evidence, material evidence and audio-visual material;

出示书证、物证和视听资料；

youdao

And I'm definitely convinced that communication can be made easier and more efficient if you have proper visual material to support it.

如果你有适当的可视材料做辅助，我绝对相信交流可以更加容易、更加有效。

youdao

It can show visual material to a wide audience.

讲座能给广大听众展现视觉材料。

youdao

It also filed more than 1, 000 secret ones, and over six hours' worth of classified audio-visual material.

ECONOMIST: China's secret media

But the visual material that is being reviewed, decisions about it will be made about what, if any of it, can be or should be released.

WHITEHOUSE: Press Briefing

Mendes does a wonderful job bringing out the visual possibilities of the material, and this is where the film's strengths lie.

BBC: Road to Perdition: Your views