结果发现传播广州管圆线虫病的中间宿主螺类共12种。
Results 12 species of snails were detected as intermediate host that transmit parasitic diseases of Angiostrongylus cantonensis.
幼虫孵化出来之后便找寻螺类，再度展开下一个生命循环。
When the larvae hatch, they find a snail and begin the cycle again.
现场采集标本，剖检淡水螺类，检查并殖吸虫尾蚴感染情况。
Fresh-water snails were collected from the fields for examining cercariae.
在水面上行走看起来十分神奇，但对一些水生螺类来说这却是每天都在做的事。
Walking on water may seem miraculous, but for tiny aquatic snails, it's an everyday activity.
是一种比鹦鹉螺类软体动物更复杂的眼睛，工作原理像是针孔相机。
The snail's eye, a more sophisticated version of that of the nautilus mollusk, works rather like the aperture of a pinhole camera.
目的探讨短沟蜷属螺类生化特性和种间差异，以及对传播卫氏并殖吸虫病的意义。
Objective To understand the biochemical characters of the intra-species of Semisulcospira and importance of paragonimiasis transmission.
携带肺吸虫尾蚴的淡水螺类拟钉螺亚科一新种（前鳃亚纲；中腹足目；圆口螺科；拟钉螺亚科）
A new species of the Triculinae of freshwater snails thatharbours cercariae of lung flukes from Fujian, China;
有关四腮目头足类的，以两对腮为特征，并包括有腔鹦鹉螺和许多化石的种类。
Of, relating to, or being a cephalopod of the order Tetrabranchiata, characterized by two pairs of gills and including the chambered nautilus and many fossil species.
冻鱼，冻蟹，冻头足类，冻生蝾螺，冻煮星鳗，其它水产制品。
Frozen Fish, Frozen Crab, Frozen Cephalopod, Frozen Raw Turban Shell, Frozen Cooked Conger Eel, Other Aquatic.
我公司有各种设备198台，主要生产全螺纹螺杆、双头螺柱、圆螺母、吊环、销类等。
My company has a variety of devices 198 Units, mainly the production of full-thread screw, double-headed stud, round nuts, rings, pin and so on.
黑土湖组为全新世早—中期湖沼相沉积的灰—灰黑色粘土类粉砂质粘土，含大量淡水螺蚌介壳；
Heituhu formation is gray and gray-black silty clay with limnological facies in early and middle period of Holocene, and bearing lots of spiral case;
通过对虹螺山一带酸性花岗岩类副矿物的研究，获得了一些岩体含钼性的矿物学标志。
The study of accessary minerals in acidic granitoids from the Hongluoshandistrict, has revealed some mineralogical markers of molybdenum-bearing potential of certain rock bodies.
在扫描电镜下，三类福寿螺的齿舌未见明显不同。
The differences of the three types were difficult to judge under scanning electron microscope.
在扫描电镜下，三类福寿螺的齿舌未见明显不同。
The differences of the three types were difficult to judge under scanning electron microscope.
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