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co·no·dont 英ˈkəʊnəˌdɒnt, ˈkɒnə-美ˈkonəˌdɑnt, ˈkɑnə-AHDkōʹnə-dŏnt', kŏnʹə- BNC⁹¹⁵¹⁷⁺⁸
基本英英搭配例句例句
n.古生牙形刺;牙形石¹⁰⁰
Noun:
the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodontasmall 2 inches long extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomesfibrous conodont纤维牙形虫compound conodont复合牙形石
名词100%
用作名词The Silurian strata containing abundantconodontfossils are well developed and comformable with the overlying Devonian strata in the Baizitian region, northern Yanbian, Sichuan.四川省盐边县北部稗子田地区的志留系发育良好，牙形刺化石极为丰富，与上覆泥盆系连续沉积，并呈整合接触。 Based on an analysis of the conodont biofacies, it is inferred that there was probably a deep-sea basin facies sedimentary environment in the Wenguer area during the early Middle Permian.
通过牙形石生物相分析，推断温古尔地区中二叠世早期可能为盆地相较深水沉积环境。 cnki
Based on palaeomagnetic data and tectonic analysis, the present authors concluded that this conodont fauna were from Permian Northern Temperate Zones.
结合古地磁和构造地质资料分析，作者认为范家屯组中的牙形刺动物群生活于二叠纪北温带温凉的水域。 cnki
Main production suitable for all kinds of electric bicycle, tricycles, use of lead-acid battery, its products conodont and midfielder two brands.
主要生产适合各种电动自行车、三轮车使用的铅酸、胶体蓄电池，旗下产品分武世、悍将两个品牌。 wushidianchi
Protoconodonts and conodont-like microfossils are characteristic components in the early Cambrian skeletal faunas.
原牙形类和牙形状化石是早寒武世微小骨骼化石中非常特征的一个类群。 dictall
Three failing periods of conodont are influenced by two ice ages, five sea-level changes and rainfalls in the geological history time.
三个衰退期受到地史时期中的二大冰期，五次海平面变化和大气降雨量的影响。 cnki
Three prosperous periods of conodont have relation to Palaeomagnetism Reversal.
牙形石的三个繁盛期与古地磁极性倒转有关。 cnki |