例句與造句

1. On the basis of detailed and systematic studies on the petrography , major and trace elements and sr - nd isotopic data of mesozoic volcanic rocks , especially the mafic volcanic rocks in yanshan area , we successfully studied the deep processes related to magma generation and their relationship with shallow - level tectonic evolution . the major conclusions are summarized as below . 1
   論文通過對燕山地區(qū)中生代火山巖，特別是中基性火山巖，進(jìn)行詳細(xì)而系統(tǒng)的巖石學(xué)、主微量元素地球化學(xué)特征和sr - nd同位素組成特征的研究，主要取得了以下研究成果： 1燕山地區(qū)中生代( j - k )火山巖為一套鈣堿性-高鉀鈣堿性-橄欖安粗巖系列巖石。
2. The transitional group of diabases have intervenient sig , feg , tig , indicative of in - between melting degrees and melting depths . the highest nag in thes e rocks tend to suggest that na behaved as a moderately incompatible element during magma generation , thus preclude the possibility for residual jadeite to host na
   所有的觀察事實(shí)反映徐州地區(qū)晚元古代輝綠巖來源于具有不同深度、不同富集程度的nd同位素虧損地幔，因此最好的解釋模式就是它們?yōu)榈蒯Ｖ鶝_擊作用下巖石圈-軟流圈-地幔柱相互作用的產(chǎn)物。
3. It's difficult to find magma generation in a sentence. 用magma generation造句挺難的