牙石沉積 的英文怎麼說

中文拼音 [yádànchénjī]
牙石沉積 英文
dental calculus deposition
  • 牙 : 名詞1. （牙齒） tooth 2. （象牙） ivory 3. （形狀像牙齒的東西） tooth-like thing 4. （姓氏） a surname
  • 石 : 石量詞（容量單位, 十斗為一石） dan, a unit of dry measure for grain （= l00 sheng）
  • 沉 : Ⅰ動詞1 （沉沒; 墜落） sink 2 （沉下 多指抽象事物） keep down; lower 3 [方言] （停止） rest Ⅱ形容...
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  • 沉積 : [地] deposit; sedimentation; deposition; precipitation
  1. The author ultimately achieves the following goals : 1. studied the nongba section, and correlated many sedimentary information and pteridophyta, graptolite, conodont and radiolaria etc. palaeontology fossils. study on palaeontology paleontology fossils of nongba section is carried out

    筆者最終取得的研究成果如下： 1 、對弄巴剖面進行了詳細的剖面測制工作，收集了大量沉積學方面的資料及一批植物、筆石、牙形石、和放射蟲等古生物化石。
  2. The immediate host siliceous rocks of typical deposits ( jinya, gaolong ) are of hydrothermal sedimentary origin. gold ore bodies are layer - like and generally concordant with their host rocks. abundant relict synsedimentary fabrics are preserved in the ores

    典型礦床（金牙、高龍）中的含礦硅質巖屬熱水沉積巖，礦體形態主要為與地層整合的層狀和似層狀，礦石具有大量同生沉積的標型組構。
  3. Now it is thought that two formations were formed in the same period from early cambrian to early ordovician and were deposited in different parts of sea basin on the northern edge of the north china platform, based on the acritarchs contained in these formations

    通過對以上兩個組中疑源類化石進行研究，認為阿牙登組應從白雲鄂博群中分出，與腮林忽洞組一同劃歸早寒武世至早奧陶世的地層中，阿牙登組與腮林忽洞組為同一時期不同局限海盆的沉積，是早古生代華北地臺最北部邊緣的沉積產物。
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