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61. | According to surveys, |
| 根据调查, |
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62. | Director of Investigations |
| 调查主任 |
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63. | formal investigation |
| 正式调查 |
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64. | survey of income and expenditure |
| 收支调查 |
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65. | community survey |
| 社区调查 |
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66. | power of investigation |
| 调查权力 |
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67. | complete enumeration |
| 全数调查 |
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68. | survey procedure |
| 调查法 |
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69. | public opinion research |
| 舆论调查 |
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70. | To delve into;investigate. |
| 调查;查究 |
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