graptolite是什么意思
网络释义:笔石;笔石动物
graptolite怎么读(音标发音)
graptolite例句及用法
1 . These provide base for the correct measurement and valuing of graptolite reflectivity.
从而为笔石反射率的正确测定和取值奠定了基础.
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2 . The black graptolite shale facies indicate a deep - water, half enclosed and anoxic sedimentary environment.
中奥陶世黑色的笔石页岩为典型的半封闭缺氧的深水沉积环境,反映了海水逐步加深,水体也变得相对宁静.
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1.笔石
1 . 笔石
grappling 锚定;探线graptolite笔石graptolitic facies 笔石相
2 . 笔石动物
笔石簇 synrhabdosome笔石动物 graptolite笔石纲 Graptolithina
graptolite相关短语搭配
1 . 笔石相
笔石相graptolithic facies笔石相graptolitic facies笔铁矿 pencil-ore
1 . 笔石页岩
沪江词库精选graptolite shale是什么意思、英语短语。graptolite shale怎么翻译: 笔石页岩相关短语: graptolite shale 笔石页岩到沪江小D查看graptolite shale的更多.
1 . 笔石体复杂化
...笔石体复杂化笔石体复杂化(the complication of graptolite rhabdosome) :笔石体因枝数减少而逐渐简化是笔石演化总的趋势之一,但在正笔石的演化过程中,出现笔石体由于笔石枝增多.
1 . 海笔石
in Cenxi district , Silurian System belonging to geosynclinal sedimentary is clastic rock series with subabyssal ― abyssal graptolite facies ― neritic bfrachiopodous facies ;广西岑溪地区志留系为半深、深海笔石相―滨浅海腕足相的碎屑岩地层序列,属地槽型沉积产物;