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| |||
| barycentre; Cynosure | |||
| centre of attraction | |||
| attractive force centre | |||
| center of attraction | |||
| attracting centre; barycenter | |||
| 引力中心: 6 phrases in 4 subjects |
| Desert science | 1 |
| General | 2 |
| Space | 2 |
| Technology | 1 |
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