truth table
| generation testing
| truth table | |
| avia. | 真值表电子数据处理技术 |
| hydroel.st. | 真值表 |
| generation test | |
| anim.husb. | 繁殖试验 |
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| 真值表电子数据处理技术 | |||
| 真值表 | |||
| ★ 真假值表 | |||
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truth table : 6 phrases in 4 subjects |
| Mathematics | 1 |
| Scientific | 1 |
| Space | 2 |
| Technology | 2 |