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| 41. | unity of invention |
| 发明的单一性 |
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| 42. | application inventio |
| 应用发明 |
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| 43. | make an invention |
| 发明;杜撰 |
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| 44. | The Invention of Radio |
| 无线电的发明 |
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| -- 来源 -- 英汉非文学 - 科学史 - kexueshi-wuxiandiandefaming |
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| 45. | That prompted the invention of the" long range acoustic device"( LRAD), designed to keep small boats away from warships. |
| 这激起了「距离音波装置」设计来防止小船只接近战舰的发明。 |
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| 46. | Non-service invention;amateur's invention |
| 非职务发明 |
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| 47. | To invent, originate, or be the proprietor of(an idea, for example). |
| 发明，保有发明、创造或拥有（如思想） |
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| 48. | recommendation and examination committee for inventions |
| 发明评选委员会 |
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| 49. | Necessity is the mother of invention, but patent right is the father. |
| 需要是发明之母，但专利权是发明之父。 |
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| 50. | first to invent principle |
| 先发明原则 |
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