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audio-visual materials (Materials designed to make use of both hearing and sight) | |||
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audio-visual materials (Materials designed to make use of both hearing and sight); audiovisual aids | |||
audio-visual |
audio-visuelle : 49 phrases in 11 subjects |
Communications | 8 |
Education | 19 |
Environment | 2 |
General | 7 |
Health care | 1 |
Information technology | 2 |
Linguistics | 2 |
Medical | 5 |
Patents | 1 |
Social science | 1 |
United Nations | 1 |