| 41. | His theory of heredity has attained [obtained] a wide circulation and influence. |
| 他的遗传学理论流传广，影响大。
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| 42. | Can you document your theory with facts? |
| 你能用事实证明你的理论吗？
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| 43. | His new theory has caused an enormous sensation throughout the civilized world. |
| 他的新理论在整个文明世界引起了巨大的轰动。
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| 44. | clearly set forth one's theory . |
| 清楚地阐述自己的理论。
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| 45. | set up a new theory . |
| 提出新理论。
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| 46. | The theory [suggestion] is poorly supported by facts. |
| 这一理论[ 建议 ] 事实根据不足。
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| 47. | spring a new theory on sb. |
| 突然向某人提出新理论。
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| 48. | Theory is based on practice and in turn serves practice. |
| 理论的基础是实践，又转过来为实践服务。
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| 49. | One day his theory will come into its own. |
| 他的理论总有一天会受到重视的。
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| 50. | The bankers' theory was not accepted in other quarters. |
| 其他方面的人士不接受银行家们的理论。
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