常見例句The First six natural frequencies of a cantilevered triangular bending plate are calculated both by the conventional finite element and by the second order linite dynamic element. 用常規(guī)有限元和二次動(dòng)態(tài)有限元解算了一個(gè)懸臂三角形彎曲板的前六階固有頻率。The year linit on the paying of registered capital(note) 注冊(cè)資本繳齊期限(注)Keywords casing running casing centralizer design optimization linite element method computer application; 下套管;套管扶正器;設(shè)計(jì);最佳化;有限元法;計(jì)算機(jī)應(yīng)用;Keywords giant and supergiant ore deposit;reserve scale;1ower reserve linit;international refferential standard.; 巨型和超巨型金屬礦床;儲(chǔ)量規(guī)模;儲(chǔ)量下限;國(guó)際參考標(biāo)準(zhǔn);linit group 極限群 返回 linite