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--></style></head><body lang=ZH-CN link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>Thanks for your reply.I was wondering why the case.struct will have two types (type A and type B),<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'>What</span><span style='font-size:12.0pt'>’<span lang=EN-US>s the meaning of type B exist,does it have some special reason?why don</span>’<span lang=EN-US>t you just choose all the rotation symmetry matrix are type A?<o:p></o:p></span></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'> Good luck <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt'> Jasmine<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>