marine bivalves 海相双壳类
fossil bivalves 双壳类化石
bivalves culture 贝类养殖
jurassic bivalves 侏罗纪双壳类
freshwater bivalves 淡水双壳类
nonmarine bivalves 非海生双壳类
bivalves assemblages 双壳类组合
cold seep bivalves 冷泉双壳类
The fOssil bivalves and the micro-mammalian fossil in association with Dali
对与“大荔人”头骨化石共存的双壳类化石和小哺乳类化石进行了首次研究。
参考来源 - 陕西“大荔人”遗址地区中更新世环境特征When using this technique, it would be better to put 1.25kg plant and 3-4ind bivalves in 1m~2 heavy polluted water, and bivalve raising depth of water should not be over 50cm.
采用该集成技术时，1m~2重污染河道水域中植物投放生物量为1.25kg、褶纹冠蚌放养数量3～4只，且褶纹冠蚌挂养水深不宜高于50cm。
参考来源 - 河蚌挂养与植物浮床集成技术在苏州重污染河道中净化模式的探讨·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： pelecypod lamellibranch
同义词： bivalved
以上来源于: WordNet
N any marine or freshwater mollusc of the class Pelecypoda (formerly Bivalvia or Lamellibranchia), having a laterally compressed body, a shell consisting of two hinged valves, and gills for respiration. The group includes clams, cockles, oysters, and mussels 双壳类动物 (See also pelecypod, lamellibranch)
ADJ of, relating to, or belonging to the Pelecypoda 软体动物的 (See also pelecypod, lamellibranch)
For example, sea stars prey on a variety of bivalve mollusks and prevent these bivalves from monopolizing habitats on the sea floor.
例如，海星捕食各种双壳类软体动物，防止这些双壳类动物独占海底的栖息地。
However, it does not include trade of bivalves, fish health and quarantine issues.
不过，协定没有涉及到双壳贝类、水产品卫生和检疫问题。
When they attach to clams, as shown above, they prevent these bivalves from opening.
当它们附在蛤蜊上时，象上面插图显示的那样，它们会妨碍这些双壳类生物打开。
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