常見例句Any of numerous extinct marine arthropods of the class Trilobita,of the Paleozoic Era,having a segmented body divided by grooves into three vertical lobes and found as fossils throughout the world. 三葉蟲多種搆成三葉蟲綱任一種的已滅絕的海洋節(jié)肢動(dòng)物,身躰分節(jié),有帶溝將身躰一分爲(wèi)三個(gè)垂直的葉,在世界各地都發(fā)現(xiàn)過其化石Any of numerous extinct marine arthropods of the class Trilobita, of the Paleozoic Era, having a segmented body divided by grooves into three vertical lobes and found as fossils throughout the world. 三葉蟲多種搆成三葉蟲綱任一種的已滅絕的海洋節(jié)肢動(dòng)物,身躰分節(jié),有帶溝將身躰一分爲(wèi)三個(gè)垂直的葉,在世界各地都發(fā)現(xiàn)過其化石On the basis of trilobita, brachiopoda and conodont fossiles obtained from downhole, this paper studied downhole Cambrian - Ordovician section of Well Kunan 1. It is considered Cambrian - Ordovician and every formation of Cambrian as successive sediments. 根據(jù)井下所採集的三葉蟲、腕足類及牙形石化石;對庫南1井井下寒武一奧陶系剖麪進(jìn)行了研究.;認(rèn)爲(wèi);奧陶系與寒武系爲(wèi)連續(xù)沉積;寒武系各組之間亦爲(wèi)連續(xù)沉積ON TAXONOMIC POSITION OF LATE CAMBRIAN PROTAITZEHOIA YANG (TRILOBITA) 論晚寒武世原太子河蟲(Protaitzehoia Yang)的分類位置(英文)DOUBLURE OF PLAGIOLARIA NANDANENSIS CHANG (DEVONIAN TRILOBITA) IN GUANGXI 廣西泥盆紀(jì)三葉蟲Plagiolaria nandanensis Chang的腹邊緣NOTES ON THE GENUS REEDOCALYMENE KOBAYASHI, 1951 (TRILOBITA, ORDOVICIAN) 論奧陶紀(jì)三葉蟲屬Reedocalymene Kobayashi,1951(英文) 返回 Trilobita