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| 71. | icosahedral capsid |
| 二十面体外壳 |
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| 72. | coat protein gene |
| 外壳蛋白基因 |
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| 73. | extractor shell |
| 浸出器外壳 |
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| 74. | transistor outline package |
| 晶体管型外壳 |
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| 75. | segmented outer case (or casing) |
| 分瓣外壳 |
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| 76. | case for marine chronometers |
| 航海天文钟外壳 |
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| 77. | oil-filled enclosure |
| 充油外壳 |
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| 78. | rubber band sealed outer housing |
| 橡胶圈密封外壳 |
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| 79. | cartridge housing |
| 电子线路短外壳 |
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| 80. | stanchion casing |
| 柱子的外壳 |
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