查询词典 brachiopods

Sponges, coralsand brachiopods, however, cannot do this.

而海绵类、珊瑚类以及腕足类生物却做不到这一点。

Sponges, corals and brachiopods, however, cannot do this.

而海绵类、珊瑚类以及

One of the paired, hinged shells of certain mollusks and of brachiopods.

听说我不会开叉车，新老板有些不悦。

, 5. 0±0.4 ‰. They are different obviously from those of fossil brachiopods in other paleozoic periods and modern shells.

因此无论是δ〓O，还是δ〓C都与古生代其它地质时期以及现代腕足生物壳体存在很大差别，表明地质历史时期碳酸盐岩的原始氧、碳同位素组成并不是稳定不变的。

One of the paired, hinged shells of certain mollusks and of brachiopods.

贝壳某些软体动物或鳃足动物的成对的、''。'铰'。''''。'接'。''开合的贝壳之一

This thesis places its emphasis on"vital effect"of fossil brachiopods which has been attracting many attentions in studies of the isotope biogeochemistry.

2对目前腕足化石氧、碳同位素研究领域中倍受关注的同位素生命效应问题，本论文做了重点研究：在详细的腕足化石保存程度研究基础上，对原始生活环境相同、保存程度也相同的化石进行了科、属、种三个级别上氧、碳同位素组成的对比，所研究的化石都没有显示出可检测的同位素生命效应。

Two basic shell structures are recognized based on study of brachiopods across the Frasnian-Famennian boundary in Hunan Province, South China, which are characterized respectively by the presence and absence of a tertiary columnar layer.

对华南湘中地区上泥盆统弗拉/法门界线附近的几种腕足动物化石壳体结构所进行的详细研究表明，其原始结构主要表现为两种类型：一是具有棱柱状第三层，二是缺失棱柱状第三层。

Sponges, corals and brachiopods (a once-widespread group that looka bit like bivalve molluscs) were particularly badly hit.

海绵、珊瑚、以及&腕足类动物&（一种在地球上广泛分布的看似双壳类的软体动物）的生存就受到了尤为巨大的冲击。

Sponges, corals and brachiopods (aonce-widespread group that looka bit like bivalve molluscs) wereparticularly badly hit.

海绵、珊瑚、以及&腕足类动物&（一种在地球上广泛分布的看似双壳类的软体动物）的生存就受到了尤为巨大的冲击。

A fold or pair of folds of the body wall that lines the shell and secretes the substance that forms the shell in mollusks and brachiopods.

套膜软体动物或腕足动物体壁上的膜或套膜，它连接壳体并分泌形成壳的物质

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。