vasiform

常见例句

It fills the blanks in the study on the vasiform mic- rofossils in Dengying Formation, Sinian System, and sheds a light on the re- search of the formation and evolution of Late Precambrian to earliest Camb- rian shelly animals.
它的發現是繼湖北房縣下寒武統西蒿坪組和峽東地區震旦系陡山沱組發現瓶狀微化石之後的又一新産地和層位,填補了震且紀燈影期該類化石的空白,對探討由晚前寒武紀束期至早寒武世早期的帶殼生物的發生和縯化具有重要意義。
vasiform orifice
瓶形孔