| 1. | This book is too theoretical ; I need a practical guide. |
| 这本书理论性太强,我需要一本实用手册。
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| 2. | Lendl's strength onclay gives him a theoretical advantage. |
| 兰德尔体格健壮,按说他占些优势。
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| 3. | He has only a theoretical knowledge of the language. |
| 他只有这种语言的理论知识。
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| 4. | they aroused great interest at the time, they had important theoretical consequences, and they provided a striking demonstration of the potentialities hidden in instruments and apparatus. |
| 这些观察当时引起人们极大的兴趣，具有重要的理论意义，并充分显示出了仪表和仪器的潜在力量。
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| 5. | a theoretical physicist |
| 理论物理学家
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| 6. | a theoretical basis |
| 理论基础
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| 7. | embody a theoretical opinion into a definite scheme |
| 使理论见解具体化为一项明确的计划
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| 8. | get practical experience to supplement theoretical training |
| 取得实际经验来补充理论学习
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| 9. | theoretical instruction |
| 理论教育
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| 10. | acquire the theoretical part of a branch of learning |
| 掌握一门学科的理论部分
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