数学实验%1 圆环和球体的组合 ezsurf('(6+2*cos(u))*cos(v)','(6+2*cos(u))*sin(v)','2*sin(u)',[0,2*pi,0,2*pi]) hold on ezsurf('2*sin(u).*cos(v)','2*sin(u).*sin(v)','2*cos(u)',[0,pi,0,2*pi]) axis auto axis equal title('')
想在excel中自动显示汉字的拼音吗？ 写一段VBA代码则轻松搞定： Function PinYin(Hz As String) Dim PinMa As String Dim MyPinMa As Variant Dim Temp As Integer, i As Integer, j As Integer PinMa = "a,20319,ai,20317,an,20304,ang,20295,ao,20292," PinMa = PinMa & "ba,20283, bai,20265,
