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| 41. | Did supermassive black holes need a helping hand to grow to be so big? |
| 超大质量黑洞的形成是否须藉助于外力？ |
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| 42. | Mass flow occurs as a result of external forces. |
| 质体流动的发生是由于外力的结果。 |
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| 43. | The external forces include reactions (R)as well as applied loads(P). |
| 外力包括反力R和施加力荷载P。 |
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| 44. | The second law says that when an outside force acts on an object, |
| 第二定律指出，当一个外力作用于一个物体时， |
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| -- 来源 -- 综合英语第3册 - Unit 7 Famous Scientists Text A |
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| 45. | the rate of change of momentum is proportional to the imposed force and goes in the direction of the force. |
| 物体的加速度跟物体所受的外力成正比，跟物体的质量成反比，加速度的方向跟外力的方向相同。 |
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| 46. | He claimed to have done the work without help. |
| 他声言未借助外力而完成了这项工作。 |
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| 47. | One that inducts, especially a device that functions by or introduces inductance into a circuit. |
| 感应器感应的物体，尤指靠电感运作的或将电感导入线圈的装置 |
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| 48. | A body at rest will not move till a force is exerted on it. |
| 若无外力的作用，静止的物体则不会移动。 |
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| 49. | Wound (or trauma ):Break in any Body tissue due to external action (including surgery). |
| 创伤:由外力(包括手术)引起的身体组织破裂。 |
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| 50. | The Olympics are among the last influence-free contests, |
| 奥运会是不受外力影响的比赛硕果仅存的其中一项， |
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| -- 来源 -- 高级阅读(二) - Unit 39 The Olympic Games (2) |
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