It is constructively proved that a class of big lobster trees are felicitous tre
本文给出了一类大龙虾树为幸福树的构造性证明。
common large crayfishes of eastern North America.
产于北美洲西部普通的大螯虾。
Any of several crustaceans, such as the spiny lobster, that are related to the lobsters.
龙虾与大螯虾有亲缘关系的任一种甲壳类动物，如龙虾
A large, edible prawn.
海螯虾可食用的大虾
The Large-scale Artificial Breeding Technique and Technology of Procambarus clarkii in Plastics Hothouses
克氏原螯虾温室大棚规模化繁育技术及工艺
Research on the Role of Mandibular Organ in Stimulating Ovary and Spermary Development in Red Swamp Crayfish Procambarus clarkii
克氏原螯虾大颚器促性腺发育作用研究
Study on Embryonic Nutrition Metabolism of Cherax Quadricarinatus;
红螯螯虾（Cherax quadricarinatus）胚胎营养代谢的研究
Studies on Development of Reproductive Systems in Cherax Quadricarinatus;
红螯螯虾（Cherax quadricarinatus）生殖系统发育的研究
Studies on Vitellogenesis of Cherax Quadricarinatus;
红螯光壳螯虾（Cherax quadricarinatus）卵黄发生的研究
Effects of Temperature on Holding Egg Rate and Hatch in Cherax Quadricarinatus
温度对红螯螯虾抱卵率和孵化的影响
The structure of vas deferens and formation of spermatophore in crayfish,Cherax quadricairnatus
红螯螯虾输精管的结构及精荚的形成
crawfish in shell
带壳小龙虾,带壳淡水螯虾
Cathepsins in male reprodutive system of red-craw crayfish,Cherax quadricarinatus
红螯螯虾雄性生殖系统组织蛋白酶的初步研究
Any of various freshwater crustaceans of the genera Cambarus and Astacus, resembling a lobster but considerably smaller.
螯虾任一种喇蛄属和螯虾属的淡水甲壳类动物，形状象龙虾但比龙虾要小
Study on Flavoring Preparation and Astaxanthin Extraction of Crayfish Head
克氏原螯虾头制备风味料和提取虾青素的研究
The Effects of Salinity on Oxygen Consumption and Ammonia Excretion in Juvenile Crayfish Procambarus clarkii
盐度对克氏原螯虾幼虾耗氧率和排氨率的影响
THE EFFECTS OF DIFFERENT SALINITIES ON OXYGEN CONSUMPTION RATE AND AMMONIA-N RATE OF JUVENILEPROCAMBARUS CLARKII
不同盐度对克氏螯虾幼虾代谢率的影响
small crayfish of Europe and Asia and western North America.
产于欧洲、亚洲和美洲西部的小螯虾。
in some classifications coextensive with the Homaridae.
在螯龙虾科分类中与其同延。