graptolite是什么意思
網絡釋義:筆石;筆石動物
graptolite怎么讀(音標發音)
graptolite例句及用法
1 . These provide base for the correct measurement and valuing of graptolite reflectivity.
從而為筆石反射率的正確測定和取值奠定了基礎.
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2 . The black graptolite shale facies indicate a deep - water, half enclosed and anoxic sedimentary environment.
中奧陶世黑色的筆石頁巖為典型的半封閉缺氧的深水沉積環境,反映了海水逐步加深,水體也變得相對寧靜.
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1.筆石
1 . 筆石
grappling 錨定;探線graptolite筆石graptolitic facies 筆石相
2 . 筆石動物
筆石簇 synrhabdosome筆石動物 graptolite筆石綱 Graptolithina
graptolite相關短語搭配
1 . 筆石相
筆石相graptolithic facies筆石相graptolitic facies筆鐵礦 pencil-ore
1 . 筆石頁巖
滬江詞庫精選graptolite shale是什么意思、英語短語。graptolite shale怎么翻譯: 筆石頁巖相關短語: graptolite shale 筆石頁巖到滬江小D查看graptolite shale的更多.
1 . 筆石體復雜化
...筆石體復雜化筆石體復雜化(the complication of graptolite rhabdosome) :筆石體因枝數減少而逐漸簡化是筆石演化總的趨勢之一,但在正筆石的演化過程中,出現筆石體由于筆石枝增多.
1 . 海筆石
in Cenxi district , Silurian System belonging to geosynclinal sedimentary is clastic rock series with subabyssal ― abyssal graptolite facies ― neritic bfrachiopodous facies ;廣西岑溪地區志留系為半深、深海筆石相―濱淺海腕足相的碎屑巖地層序列,屬地槽型沉積產物;