常見例句Fig.1 -50 m level of the Changkeng mine showing location of radiolaria fossil1. 碳質硅質巖;2.;含碳灰?guī)r類;3Any of various marine protozoans of the order Radiolaria,having rigid siliceous skeletons and spicules. 放射蟲一種放射蟲目的海生原生動物,骨骼和針骨為硅質Any of various marine protozoans of the order Radiolaria, having rigid siliceous skeletons and spicules. 放射蟲一種放射蟲目的海生原生動物,骨骼和針骨為硅質The Radiolaria pavilion aimed to define a complex, self-supporting structure that could demonstrate and test this pioneering construction technique. 放射館的目的是要確定一個復雜的,自我支持的結構,可以證明和測試這一開創(chuàng)性的施工技術。The two early Carboniferous fragments are composed of Basalt and ash-black, fuchsia radiolaria silicalite, siliceous mudstone, tuff. 早石炭世兩個斷片由玄武巖和灰白色、紫紅色放射蟲硅質巖、硅質泥巖、凝灰?guī)r組成。The Group of Devonian project has Obtained radiolaria from 20 horizons of Volcaniclastic rocks in the Junggar Basin, Xinjiang. 泥盆系課題組;在準噶爾地區(qū)發(fā)現(xiàn)20余層含放射蟲的火山碎屑巖;放射蟲均產于被化石證明了的下、中、上泥盆統(tǒng)中. 返回 Radiolaria