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| |||
| viewing field; field of observation | |||
| field of vision | |||
| field of view | |||
| visible range | |||
| visual field | |||
| visible region | |||
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可见 区 : 9 phrases in 4 subjects |
| Aviation | 2 |
| Information technology | 1 |
| Space | 2 |
| Technology | 4 |
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