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...
So studying Tempera is significant to develop the modern painting material.研究丹配拉绘画,对现代绘画材料的拓宽有着极为重要的意义.P > Tempera was used to paint frescos hundreds of years ago.数百年前蛋彩画颜料被用来画壁画.Certain pigment colours were painted on t...
The pollution could decimate the river's thriving population of kingfishers...污染可能会造成河边大量繁殖的翠鸟大批死亡。Old World bird that tumbles or rolls in flight; related to kingfishers.东半球能在空中翻筋斗的鸟; 与翠鸟近缘.What kingfishers lack in ...