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| 91. | exploration course |
| 试探科目 |
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| 92. | television course |
| 电视课程 |
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| 93. | scheduled course |
| 预定航线 |
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| 94. | course calculator |
| 航向计算器 |
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| 95. | commissioned course |
| 托办课程 |
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| 96. | enriched course |
| 提高学科 |
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| 97. | circular course |
| 圆形水道 |
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| 98. | external course |
| 校外课程 |
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| 99. | trotting course |
| 快步竞走跑道 |
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| 100. | course converter |
| 航路变换器 |
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