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| 51. | From Card Origin |
| 于发卡地 |
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| 52. | origin of groundwater |
| 地下水起源 |
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| 53. | origin of cells |
| 细胞起源 |
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| 54. | origin of coordinate |
| 坐标原点 |
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| 55. | origin of coal |
| 煤的成因 |
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| 56. | Origin of Races |
| 种族的起源 |
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| 57. | origin of meteorite |
| 陨石起源 |
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| 58. | Office of origin |
| 寄发局 |
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| 59. | marks of origin |
| 原产地标记 |
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| 60. | origin of deviation |
| 离差的原点 |
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