例句與用法

1. To extend takada ' s shell method , a 3 - dimension shell - spring fem is proposed to analyze the response of steel pipelines under the large fault movement in the second chapter
   根據(jù)以上的研究背景，本論文采用殼模型有限元方法對管子在斷層作用下的地震反應進行了分析。
2. With the stead use of spatial lattice structures in building field , lots of researchers devoted themselves to studying new theories and methods for analysis of spatial lattice structures and produced many methods , such as simulate - shell method , finite element method and qr method
   隨著網(wǎng)殼結構工程應用的日益廣泛，國內(nèi)外許多學者致力于研究網(wǎng)殼結構分析的新理論新方法，提出了許多網(wǎng)殼結構的分析方法，例如擬殼法、有限元法及qr法。
3. Combined core - shell method with scm , pmw - pnn - pt ceramics with core - shell structure , which have excellent dielectric temperature stability , were successfully prepared . the new mechanism of improving temperature stability of dielectric properties was put forward . the main contents are lis ted as bellows : in the systems of pmn - pt , the effects of the chemical reactivities of the starting materials such as soluble mg - salts instead of mgo , pb - salts instead of pbo and ti ( oc4h9 ) 4 instead of tio2 respectively on the formation of perovskite phase were investigated in detail
   Scm法與cpm法的工藝相比，工藝簡單，預燒溫度和燒結溫度低，反應時間短；陶瓷致密，介電性能比cmo法和cpm法明顯得到改善，而且在沒有pt存在時，仍可制得純鈣鈦礦結構的pmn基、 pnn基、 pfw基陶瓷。