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21. | aerospace field |
| 航空航天领域 |
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22. | field of employment |
| 使用领域 |
|
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23. | temporary realm |
| 暂时领域 |
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| |
24. | electroacoustical field |
| 电声领域 |
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25. | extra-budgetary field |
| 预算外领域 |
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26. | substantive areas |
| 实务领域 |
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27. | encroach on the province |
| 侵占领域 |
|
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28. | academic sector |
| 学术领域 |
|
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29. | province of chemistry |
| 化学领域 |
|
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30. | the domain of political science |
| 政治学领域 |
|
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