His sister Sarah helped him.他姐姐萨拉帮助了他。These poems have helped kindle the imagination of generations of children.这些诗激发了一代又一代孩子的想象力。The organization helped defuse potentially violent situations...该组织帮忙化解了可能出现的暴力局面。Trevor h...
He also proposed and discussed the problem of isoperimetric figures.他还提出并讨论过等周问题.Based on FEM theory, a program of isoperimetric quadrilateral element is made using MATLAB software.基于有限元理论, 用MATLAB语言编制了四结点等参元计算机程序....