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81. | Not all old photographs are dated, but internal evidence may help to establish an approximate date. |
| 不是所有的旧照片都标明了日期,但内在的证据也许有助于确定一个大概的日期。 |
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82. | approximate limit |
| 近似极限 |
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83. | approximate match |
| 近似符合 |
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84. | lower approximate value |
| 不足近似值 |
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85. | approximate quantities |
| 概略工程量 |
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86. | approximate value |
| 近似价值 |
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87. | approximate representation |
| 近似表示 |
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88. | upper approximate value |
| 偏大近似值 |
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89. | approximate spectrum |
| 近似谱 |
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90. | To approximate perfection |
| 几于完备 |
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