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A dextral gastropod shell with the apex upward has its opening on the right when facing the observer.

從面對觀察者的方向看日韩欧美A一C在线，具有向上頂點的右旋腹足動物殼在右側(cè)有一個開口丁香色色五月天。

Most of the hermit crab lives in the gastropod shells. How hermit crabs to get the shells?

大部份的寄居蟹一定要住在殼中久久伊人中文字幕色综合，那麼寄居變是以何種方式來獲得空殼？

Minute conical gastropod superficially resembling a limpet but living and feeding on freshwater plants.

微小的圓錐狀腹足動物欧美一级多人婬片人妻欧美大片，表面象帽貝但生活在淡水中并以淡水植物為食日韩在线精品福利网站视频。

Methods for Morphometry and Analysis of Gastropod Shells;2. In this paper,calcination characteristics and desulfurization property of several kinds of shells are studied by using thermogravimetic analysis methods.

采用熱分析方法對幾種貝殼的煅燒特性和固硫特性進行實驗研究，在理論分析和實驗研究的基礎(chǔ)上得到貝殼煅燒反應的動力學模型插入下体视频，并求出表觀活化能久久精品国产AV网站，結(jié)果表明貝殼的表觀活化能比石灰石小約 10 0kJ·mol-1。

In the beginning of foundation of S. alterniflora salt marsh, macrobenthos were mainly composed of gastropod.

大型底棲動物群落結(jié)構(gòu)和多樣性特征與鹽沼的發(fā)育過程有密切聯(lián)系又大又粗,黄色视频。

gastropod, gasteropod：腹足動物

胃病 gastropathy | 腹足動物 gastropod, gasteropod | 腹足綱 Gastropoda

gastropod：腹足類

無性世代一般寄生在軟體動物(中間宿主),通常是腹足類(gastropod),如螺螄等. 也可是斧足類(pelecypod),如蚌類. 有性世代大多寄生在脊椎動物(終宿主). 復殖吸蟲的生活史雖復雜,各種吸蟲也有差別,

gastropod：腹足動物

gastrophrenic 胃與肺的 | gastropod 腹足動物 | gastroptosis 胃下垂

gastropod：軟體動物

2 Literary Works 文學作品 | Gastropod 軟體動物 | Calico 印花布

gastropod：腹足動物,腹足類

gastro-intestinal tract 胃腸管 | gastropod 腹足動物,腹足類 | gel 凝膠,凝膠體