软体动物

Any of various similar or related bivalve mollusks, such as the pearl oyster.

牡蛎状双壳软体动物任何各种类似的或有关的双壳软体动物，如珍珠牡蛎

A lot of brachiopod and mollusk fossils,including 12 species of 8 genera of brachiopod,14 species of 8 genera of bivalve and 5 species of 4 genera of gasteropod,are collected from the marl and mudstone situated on the bottom of Benxi Formation in Liujiang basin.The mollusk fossils are directly preserved in the upper part or facies change bed of brachiopod fossil bed.Up to now, the materials is firstly reported,especially the mollusk.

柳江盆地本溪组底部泥灰岩及相邻泥岩中产有丰富的腕足动物、软体动物化石，经鉴定有腕足动物10属12种，双壳类8属14种和腹足类4属5种，软体动物保存于含腕足动物层的相变岩层或直接位于其上层，到目前为止，这一丰富材料尚属首次综合报道。

The results show that the benthons were not polluted by the heavy metals, but the concentrations of Pb and Cd in crustacea and mollusk were potentially serious. The contents of Cd in crustacea was beyond the Standard Indexes of the seafood. The contents of Cd in mollusk was same as Stan...

结果表明，底栖生物中Hg、Pb、Cd、As含量较低，但甲壳动物和软体动物体内Pb和Cd具有潜在的严重积累问题；甲壳类Cd含量已严重超人体消费标准，软体类的Cd含量等于人体消费标准值，甲壳动物和软体动物的可食性应引起人们的关注。

The mollusc phylum includes all soft-bodied animals without backbone s.

软体动物门包括所有无脊椎的软体动物。

The result was that Mollusca and Oligochaeta were dominant in the both sites.Before dredging, there were six species of Mollusca,tree species of Oligochaeta and one of Hirudinea in Huangdu, and one Mollusca and four Oligochaetas in Huacao.

结果显示，黄渡和华漕两个断面的大型底栖动物均以软体动物和寡毛类为主，疏浚前黄渡软体动物为6种，寡毛类为3种。

In this study, the authors list thirty-two families, approximating to 300 species, of land mollusk from Taiwan. Many of them have not been discovered and described until recent years, revealing the investigation potential of the land molluscan diversity of Taiwan.

本研究中，作者共整理报告 32 科约 300 种台湾产的陆生软体动物，其中许多种类为近年新发现之新物种，显示台湾的陆生软体动物多样性仍有广大探索空间。

Currently accessible for searching are the recent mollusk files, the invertebrate paleontology files, the rotifer collection and Gary Rosenbergs molluscan species database etc.

当前可以搜寻到的信息包括新近的软体动物门文档、无脊椎动物古生物学文档、轮虫收藏以及加里罗森伯格的软体动物物种数据库等。

On the other hand, alien species, which may be harmfulto crops, is a vital issue concerning pest control in agriculture. In addition, it still remains further study whether the competitive exclusion effect caused by invasive land mollusks endangers the endemic land molluscan diversity of Taiwan.

某些特定种类属於入侵之外来种，对农作物会造成相当危害，在农业病虫害防治方面亦应留意；入侵外来种陆生软体动物对原生种的竞争排斥效应，对台湾陆生软体动物多样性的威胁亦属未来研究重点之一。

The results indicated that there are always 17 teeth of each row symmetrically arrayed in the radula of polyplacophora,among which the interior lateral teeth showed significant interspecific...

在国内首次根据多板类软体动物的齿舌形态差异及外部形态特征编制福建沿海多板类软体动物分类检索表，并提出与传统分类不同的观点。

It belongs to the mollusk class gastropoda.It is also a univalve,which means that the shell consists of a single valve or piece.

它属于软体动物类中的腹足动物纲，属于单壳软体动物，也就是说，这个贝壳只有一个单壳或单片。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。