Apollo program
| logic network
| Apollo Program | |
| agric. | 阿波罗计划 |
| space | 阿波罗工程; 阿波罗计划 |
| Apollo program | |
| tech. | 阿波罗计划 |
| logic network | |
| tech. | 逻辑网络 |
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| 阿波罗计划指登月 | |||
| 阿波罗工程; 阿波罗计划 (美国20世纪60年代开展的载人登月工程) | |||
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| 阿波罗计划 | |||
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| 阿波罗计划 | |||
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Apollo program : 9 phrases in 5 subjects |
| Aviation | 1 |
| Earth sciences | 2 |
| Electronics | 2 |
| Space | 2 |
| United States | 2 |