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71. | sector of origin |
| 来源部门 |
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72. | programme source |
| 节目来源 |
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73. | protein sources |
| 蛋白质来源 |
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74. | a primary information source. |
| 第一手材料来源 |
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75. | unofficial sources |
| 非官方来源 |
|
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| |
76. | source of variation |
| 变异来源 |
|
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| |
77. | source of failure |
| 故障来源 |
|
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| |
78. | principle of provenance |
| 来源原则 |
|
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| |
79. | source of personnel |
| 人力来源 |
|
|
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80. | sources of goods |
| 货物来源 |
|
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| |