钟放在椭圆形的大理石基座上，外罩玻璃罩。The clock stands on an oval marble base, enclosed by a glass dome.就在台阶顶端的基座上有一尊莎士比亚胸像.At the very top of the steps was a bust of Shakespeare on a pedestal.他们把旗竿竖在水泥基座上.They set the pole in a bed of co...
我对可因子分解多项式一无所知。I have no idea about factorable polynomial.下面写出一直到十次多项式的帕斯卡三角形.Its form up to a tenth degree polynomial is shown below.任何多项式系数的绝对值都构成单峰序列.The absolute values of the coefficients of any chromatic polynomial...