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| 31. | variation order |
| 工程变更定单 |
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| 32. | a large variety of conch. |
| 海螺的一个大型变种。 |
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| 33. | a variety of vespid wasp. |
| 胡蜂黄蜂的一个变种。 |
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| 34. | variation principle |
| 变分法原理 |
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| 35. | variation form |
| 变奏曲式 |
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| 36. | variation margin |
| 变动保证金 |
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| 37. | variation coefficient |
| 变异［变差］系数 |
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| 38. | variation pitch |
| 调螺距 |
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| 39. | variation diagram |
| 变异图解；变差图；成分图 |
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| 40. | vertical variation |
| 铅垂变化 |
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