《梁书·本纪·卷五》
丁未，魏派大将王茎率兵七百人攻窒玺，丝世塱迎击，大败他们。
丁未，魏遣将王球率众七百攻宿预，杜僧明逆击，大破之。
On Dingwei, Wei sent General Wang Jing to lead seven hundred soldiers to attack Xi'an. Shi Shilong met them in battle and defeated them soundly.
<s>[INST] Kindly elucidate the central themes in this passage in English: 丁未，魏遣将王球率众七百攻宿预，杜僧明逆击，大破之。 [/INST] On Dingwei, Wei sent General Wang Jing to lead seven hundred soldiers to attack Xi'an. Shi Shilong met them in battle and defeated them soundly.</s>
Kindly elucidate the central themes in this passage in English: 丁未，魏遣将王球率众七百攻宿预，杜僧明逆击，大破之。
user
On Dingwei, Wei sent General Wang Jing to lead seven hundred soldiers to attack Xi'an. Shi Shilong met them in battle and defeated them soundly.
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