中部戰區則負責首都北京的防衛，地位特殊。而且去年「九三閱兵」，韓勝延打破慣例擔任閱兵總指揮，檢閱過程中他也乘坐汽車，向習近平匯報，並陪同習近平檢閱。
&=x_1 x_2^2 - x_2 x_1^2 - x_0 x_2^2+x_0 x_1^2+x_0^2 x_2 - x_0^2 x_1\\
，更多细节参见必应排名_Bing SEO_先做后付
Photograph: Ryan Waniata
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