把模论中的图追踪 、 五引理 、 马蹄引理推广到一般的情形.As a result , the Graph Chasing , the Five Lemma, the Horseshoe Lemma in module theory generalized.报告中参杂着方程式 、 数学引理 、 拱形曲线和一系列矩阵.The presentation was a riot of equations, mathematical lemmas...
...a deadly disease currently affecting dolphins...目前正在威胁海豚生命的致命疾病Dolphins have sometimes been known to save drowning swimmers.据悉海豚有时会救溺水的游泳者。Dolphins sometimes play in the wake of the boats.有时海豚在船的尾流中嬉戏。Whales and dolph...
不锈钢转数设备可用来加工批量大的料.The stainless drum may be used to make larger batches.放置在涡流中的涡流笼圈计数出涡流源的转数.A vortex cage located in the vortex counts the revolutions of the vortex pool.确定了获取最小叶片转数的条件.The condition for obtaining the mi...
We were amazed, shocked, dumbfounded, shaking our heads in disbelief.我们震惊、愕然、目瞪口呆，难以置信地摇着头。I stood there dumbfounded.我站在那儿目瞪口呆。His reply dumbfounded me.他的回答使我哑然。...