小学期日志
LogsJune 25 Sunday The rest of the case was tested today. There was a problem with testing the AndrioD-based data acquisition system, and my board could not test the temperature and light curves. Case summary and inspection will be completed tomorrow.
June 26 Monday Today, I learned the basic knowledge of bsp programming. Mrs. Ling explained the basic principles and analyzed the basic code. In addition, many people’s 485 bus can not be used, mine is ...
History
韩信破赵 韩信破赵是楚汉战争中重要一役。楚汉战争之初，楚强汉弱，双方于荥阳、成皋一带相持，汉军经常失利，且腹背受敌，刘邦忧心忡忡。为了扭转被动局面，剪除楚的羽翼赵、代、燕的威胁，刘邦任命韩信为大将带兵北伐代和赵。 公元前二○五年闰九月，韩信带兵进攻代国，汉军在阏与（今山西和顺）一举打败代军主力，俘获代相夏说，接着韩信与张耳于公元前二○五年十月率兵东向，进攻赵国。赵王歇和陈余闻风，立即集中了军队二十万，在井陉口（今河北井陉境内）安营扎寨，企图阻击汉军东进。 井陉口地势险要，关隘狭窄，历来是兵家必争之地。赵国谋臣李左车向陈余献计说：“听闻韩信偷渡黄河，俘虏魏王，活捉夏说，血战阏与，如今又有张耳协助，汉军士气旺盛，锐不可当，但汉军也有不利的一面，井陉口隘狭，车子不能并行，骑兵不能成列。汉军要迅速通过几百里狭长的山路，粮食势必落在后头，希望您给我三万精兵，从小路截住汉军辎重，断绝他们的后路，赵军最好深挖壕沟，高筑营垒，坚营固守，不与汉军交锋。这样，他们前进不 ...