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| 81. | liquid nitrogen fraction |
| 污液氮 |
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| 82. | sampling fraction |
| 抽样百分率 |
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| 83. | aromatic fraction |
| 芳香族馏分 |
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| 84. | propellant mass fraction |
| 推进剂质量比 |
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| 85. | bottom fraction |
| 筛底粉 |
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| 86. | algebra of fraction |
| 分式代数 |
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| 87. | irreducible fraction |
| 既约分数 |
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| 88. | decomposition of fraction |
| 分式分解 |
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| 89. | I inched backward. |
| 我一点儿一点儿地往后挪动。 |
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| 90. | a mixed fraction |
| 带分数 |
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