Conclusion The late efficacy of mitral annuloplasty using prosthetic ring is satisfactory.结论对于有瓣环扩大的二尖瓣成形术,应用人工瓣环,近期和远期临床效果均满意.Percutaneous annuloplasty has the potential to serve as a therapeutic adjunct to standard med...
AB线是三角形abc的底边.Line AB is the base of the triangle ABC.这个三角形,底边的长度是20厘米.The base line of this triangle is 20 centimeters long.这三角形的底边与这四边形的一边相重合.The base of the triangle coincides with one side of the square....
这种靶一般用跑猪或跑鹿.The targets usually represent a running boar or a running deer.一只公牛羚有时会疾驰在草原上, 做着侧向腾跃或跑成圈.At times , a wildebeest bull will race across the plains, prancing sideways and running in circles....
A gust of wind pried loose a section of sheet-metal roofing.一阵狂风把铺在屋顶上的一块金属片掀起来了。During the night a gust of wind had blown the pot over.夜里一阵劲风将锅吹翻了。A gust of wind caught the parachute.一阵风将降落伞吹远。...
A pedigree pup should have been inoculated against serious diseases before it’s sold.纯种狗应该在出售前注射预防严重疾病的针。His dogs were inoculated against rabies.他的狗注射过狂犬疫苗。A pedigree pup should have been inoculated against serious disea...
摘要给出两个矩阵同时合同对角化与同时相似对角化的一些条件.The conditions of simultaneous diagonalization of two matrices are given.基于householder转换, 给出了稠密对称矩阵三对角化的MPI+OpenMP混合并行算法.Based on Householder transformation, MPI + OpenMP hybrid parallel algo...