另两个为胸腺嘧啶和胞嘧啶, 即称为嘧啶的单环结构.The other two, thymine and cytosine, are single ring structures called pyrimidines.直到不久以前,人们对胸腺的功能尚不明了.The function of the thymus was unknown until relatively recently.动物的免疫系统由两个主要部分组成,即胸腺和骨髓系统.I...
But now the Hessian wakes, cutting off heads where he finds them.现在黑森人醒了, 砍掉人们的头.A method to detect the sub - pixel center of structured light stripe with Hessian matrix is proposed.提出了一种基于hessian矩阵的亚像素精度结构光条纹中心提取算法.Rece...
一场雨后显得愈加葱绿的高尔夫球场草地上,散放着一些带有色彩缤纷的帆布华盖的高尔夫小车.Golf carts with bright canvas canopies wandered the raingreen fairways.树木在春日下鲜艳夺目, 撑起半透明的华盖.Spring trees glow in the daytime , spreading translucent canopies.有人擎着一顶华丽的华盖遮在他的头上.O...