a spherically symmetric structure of the earth has been assumed . 人們把地球的構(gòu)造假設(shè)為球狀對(duì)稱。
solving symmetric structure with unknown displacement method of grouping 未知位移分組法求解對(duì)稱結(jié)構(gòu)
new reanalysis method for topology changes of axial symmetric structures 軸對(duì)稱結(jié)構(gòu)拓?fù)渥兓胤治龅男路椒?i class="labawb" onClick="playMp3('sound_c_3')">
seismic design method of the symmetric structures with asymmetrical viscous dampers 對(duì)稱結(jié)構(gòu)不對(duì)稱安裝粘滯消能器時(shí)的抗震設(shè)計(jì)方法
in this paper, we study the left color symmetric structures on lie color algebras 摘要本文研究了著色李超代數(shù)上的左著色對(duì)稱結(jié)構(gòu)問題。