《隋书·列传·卷二十五》
开皇十九年，突厥人进犯边塞，段文振以行军总管的身份抵敌，在沃野遭遇达头可汗，大破敌军。段文振早先与王世积有旧交，起初，文振北征，王世积送给他骆驼、马匹。
出服远镇，遇虏，破之，斩首千馀级，六畜巨万计。
In the nineteenth year of Kaihuang, the Turks invaded the border, and Duan Wenzhen, as the general of the marching army, resisted them and encountered Khagan Datou in Woye, and defeated the enemy army. Duan Wenzhen had a long-standing friendship with Wang Shiji. At the beginning, when Wenzhen went on a northern expedition, Wang Shiji sent him camels and horses.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 出服远镇，遇虏，破之，斩首千馀级，六畜巨万计。 [/INST] In the nineteenth year of Kaihuang, the Turks invaded the border, and Duan Wenzhen, as the general of the marching army, resisted them and encountered Khagan Datou in Woye, and defeated the enemy army. Duan Wenzhen had a long-standing friendship with Wang Shiji. At the beginning, when Wenzhen went on a northern expedition, Wang Shiji sent him camels and horses.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 出服远镇，遇虏，破之，斩首千馀级，六畜巨万计。
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In the nineteenth year of Kaihuang, the Turks invaded the border, and Duan Wenzhen, as the general of the marching army, resisted them and encountered Khagan Datou in Woye, and defeated the enemy army. Duan Wenzhen had a long-standing friendship with Wang Shiji. At the beginning, when Wenzhen went on a northern expedition, Wang Shiji sent him camels and horses.
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