《明史·志·卷五十》
建文年间，改为兵马司，改指挥、副指挥为兵马、副兵马。
建文中，改为兵马司，改指挥、副指挥为兵马、副兵马。
During the Jianwen period, it was changed to the Military Horse Division, and the commander and deputy commander were changed to the military horse and deputy military horse.
<s>[INST] Translate the given Classical Chinese text into modern Chinese, then provide an English translation that captures the nuances of both versions. Classical Chinese: 建文中，改为兵马司，改指挥、副指挥为兵马、副兵马。 [/INST] Modern Chinese: 建文年间，改为兵马司，改指挥、副指挥为兵马、副兵马。 English Translation: During the Jianwen period, it was changed to the Military Horse Division, and the commander and deputy commander were changed to the military horse and deputy military horse.</s>
Translate the given Classical Chinese text into modern Chinese, then provide an English translation that captures the nuances of both versions. Classical Chinese: 建文中，改为兵马司，改指挥、副指挥为兵马、副兵马。
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Modern Chinese: 建文年间，改为兵马司，改指挥、副指挥为兵马、副兵马。 English Translation: During the Jianwen period, it was changed to the Military Horse Division, and the commander and deputy commander were changed to the military horse and deputy military horse.
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