基本解釋[地質(zhì)] 志留系英漢例句雙語(yǔ)例句This paper makes an approach to form, occurrence, origin of rootless folds in the Maoxian Group of the Silurian System and their relationship with large folds.本文初步探討了四川汶川─理縣志留系茂縣群中廣泛發(fā)育的無(wú)根鉤狀褶皺的形態(tài)、產(chǎn)狀、成因和與大型褶皺構(gòu)造的關(guān)系。The geological and geochemical study results indicate that the metallogenetic materials came from the hydromica mudstones and shales of the Hanjiadian Group of Lower Silurian System.地質(zhì)和地球化學(xué)研究結(jié)果認(rèn)為,鋁土礦的成礦物質(zhì)來(lái)源于下志留統(tǒng)韓家店群的水云母泥、頁(yè)巖。The strata from Sinian to Silurian system are new formations and fields with better exploration potential in southeast area in Sichuan province, but the degree of prospecting is quite low.震旦系—志留系是川東南地區(qū)油氣勘探的新層系、新領(lǐng)域,具有較好的勘探前景,但勘探程度極低。Silurian system更多例句詞組短語(yǔ)短語(yǔ)ordovician silurian system 奧陶志留系Silurian system更多詞組專(zhuān)業(yè)釋義地球科學(xué)志留系