用组织学方法初步研究了罗氏沼虾雌体腹肢外骨骼的结构。
The exoskeleton structure of female pleopod in Macrobrachium rosenbergii was primarily investigated by histological method.
黏液腺在胚胎附着过程中形成卵柄和外层卵膜,胚胎是依靠卵柄或卵索附着于腹肢的刚毛上,进而完成胚胎发育过程。
Embryo attachment was affected by the differentiation of egg membrane. Egg stalk and outer egg membrane were formed from mucus during development.
用显微及亚显微方法研究了中华绒螯蟹雌体不同生理阶段(幼蟹、未成熟蟹、成熟蟹、抱卵蟹和流产蟹)腹肢的体壁结构变化和粘液腺发育特征。
The tegument and exoskeleton structure and the cement glands activities of female pleopod in different physiological stages of Eriocheir sinensis were investigated by histological method.
高频焊接H型钢具有宽肢薄腹构件的特征,其强轴方向具较强的抗侧能力,形成刚性框架。
The high frequency welding H-section steel has properties of broad and thin section component. Its higher axial lateral resistance capacity forms rigid frame.
高频焊接H型钢具有宽肢薄腹构件的特征,其强轴方向具较强的抗侧能力,形成刚性框架。
The high frequency welding H-section steel has properties of broad and thin section component. Its higher axial lateral resistance capacity forms rigid frame.
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