Visual material aids the retention of information.

直观材料有助于加强记忆。

《牛津词典》

It can show visual material to a wide audience.

讲座能给广大听众展现视觉材料。

youdao

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

出示书证、物证和视听资料；

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