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| 计算机图形系统 | |||
| 计算机制图系统 | |||
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| 计算机图示系统 | |||
| 计算机制图系统 | |||
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computer graphics system : 10 phrases in 3 subjects |
| Aviation | 2 |
| Electronics | 2 |
| Technology | 6 |
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