G - gastropod 中文 - EN166

gastropod n.＝ gasteropod.

gastroscope
Cipangopaludina chinensis is a normal kind of freshwater gastropod and has high economic values because it can be food for people , which not only tastes well but also is high nutrient , and it can be the bait for some carnivorous fish and some omnivorous fish such as mylopharyngodon piceus and cyprinus carpio 中國圓田螺cipangopaludinachinensis是我國一種常見的可供食用的淡水螺，滋味鮮美，具有較高營養價值；同時它還是青魚、鯉魚等肉食性魚類和雜食性魚類的優良天然餌料，因而具有較高的經濟價值。
In the warm period , the aquatic bivalvia was well - developed , and the gastropod fauna was obviously prosperous and characteristic by large amount of the aquatic species . the alternative appearance of both cold and the warm mollascan assemblage tpyes reflects the features of the quaternary climate changes in this area 在冷期因氣候干燥，環境中水量減少，腹足類化石以陸生肺螺類最為發育；在暖期水生雙殼類較為發育，腹足類群明顯繁盛，以水生種類的大量出現為特征。
The changes of 14 assemblages reflect 11 paleoclimate evolutioinary stages in this area during the quaternary . in the cold period , the climate was dry and enviroment was deficient of water , therefore , the terrestrial pulmonata was dominant in the gastropod fauna 本文對北京平原區第四紀軟體動物化石進行了初步的研究，建立了14個組合帶，反映了本區第四紀時期經歷了大約11個古氣候演變階段。
Many foreign scholars and a few chinese scholars have studied the ultrastructure of the mature sperm and spermatogenesis of gastropod ; however , nobody has studied the ultrastructure of the mature sperm and spermatogenesis of cipangopaludina chinensis 關于腹足類軟體動物精子和精子發生的超微結構，國內研究甚少，國外研究較多；但有關中國圓田螺精子和精子發生的超微結構的研究，尚未見報道。
From the late middle ordovician to the end of ordovician , the cephalopods , gastropods and corals in the erlangping trough , and the conodonts , coral , brachiopods , cephalopods as well as trilobites in the xichuan shelf were from the north china province 在中奧陶世晚期至奧陶紀末，二郎坪海槽的腹足類、頭足類和珊瑚與浙川陸棚的牙形石、珊瑚、腕足類、頭足類和三葉蟲均屬華北生物省。
Sperm bimorphism is a common phenomenon through the animal kingdom , especially in gastropod , such as most of mesogastropod and neogastropod and some of archeogastropod 精子雙態現象是動物界尤其是腹足類的一個普遍現象：原始腹足類( archegastropod )中僅少數具有雙態精子，中腹足類( mesogastropod )和新腹足類( neogastropod )中大多數都具有雙態精子。
Fish stocking in niushan lake eliminated submersed macrophytes and gave indirect effect on biomass in niushan lake to an extent that gastropod was only 1 / 5 as much of a typical macrophytic lakes such as hong lake 牛山湖中魚類的放養使水草出現衰退，該湖底棲動物雖然仍以螺類等刮食者為上，但生物見只有洪湖等典型草型湖泊的1 5 。
The fossils of algae , ostracoda , foraminifera , gastropod and polychaeta were found in the tertiary carbonate beds in the west of chaidamu basin 摘要柴達木盆地西部第三系的碳酸鹽巖層中發現有藻類、介形蟲、有孔蟲、腹足類、多毛類等化石。
Gastropod - african snail gastropod - african snail 腹足綱軟體類非洲蝸牛