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61. | sunspot group |
| 黑子群 |
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62. | volunteer group |
| 义工团体 |
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63. | transformable group |
| 可变换群 |
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64. | group insurance |
| 集体保险 |
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65. | program group |
| 程序组 |
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66. | tetrahedron group |
| 四面体群|四面体基|团 |
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67. | disadvantaged group |
| 贫困阶层,境遇差的阶层,处于不利地位的群体 |
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68. | Furniture group |
| 成套家具 |
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69. | Group reception |
| 团体接待 |
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70. | neighborhood group |
| 邻里群体 |
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