常見例句Atthesame time, allkinds of enterprises pushout the big flag of brandsin succession, challenging the internationa lstrong brands. 一時之間,各路諸侯紛紛打起了品牌的大旗,大有一番向國外強(qiáng)勢品牌叫板的勢頭。Last but not the least, according to the pushouts category , we obtain the theory of triangular commutative diagram and give the necessary condition of the coknernel and coproduct. 最后,證明了兩個命題,它們是本文主要結(jié)論的基礎(chǔ)。第二個部分,給出了推出范疇中的幾個重要定理:推出范疇中上核存在的必要條件;三角可換定理;在有上積的范疇的推出范疇中,上積存在的必要條件;Methods A total of 96 patients with foreign bodies in the upper digestive tract were treated with extraction under electron gastroscope,pushout via endoscope,or combination of extraction and push-out. 方法對96例消化道異物,采用電子胃鏡進(jìn)行直視下取出、內(nèi)鏡推擠排除或兩者結(jié)合使用處理異物。Direct Limit and Pushout in the Category of Semimodules 半模范疇中的正向極限與推出Keywords cube theorem;equivaiant homotopy epimorphism;equivariant homotopy monomorphism;equivatiant homotopy pullback;equivariant homotopy pushout; 方體定理;等變同倫滿態(tài);等變同倫單態(tài);等變同倫拉回;等變同倫推出; 返回 pushouts