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| 苜蓿叶式四叶式立体交叉; 草花斤斗飞行特技 | |||
| 苜蓿叶形; 苜蓿叶形图案 | |||
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| 草花斤斗 (一种特技飞行动作) | |||
| 苜蓿叶 | |||
| 苜蓿叶式; 四叶形立体交叉; 四叶式交叉 | |||
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| 四叶形类星体 | |||
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cloverleaf : 61 phrases in 16 subjects |
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| Physiology | 1 |
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| Technology | 37 |