On the basis of the structure of vegetable organs , the first leaf and root are the earliest organs in the development of embryo 据营养器官的形态结构判断，在海金沙胚胎发育中最早出现的营养器官是叶和根。
Based on the morphology structure of five saline plants leaves in ningxia , this paper has made the research of comparative anatomy 摘要对宁夏地区5种盐生植物叶的形态结构特征进行了比较解剖学方面的研究。
This paper mainly introduces the approaches of surface rendering and its application in the research on the shape of the neurons 本文着重介绍了面绘制算法，并将它重点应用到钙离子表达的神经细胞的形态结构研究上。
Effects of uv - b radiation on the morphological structure and physiological biochemistry in leafy thallus of spirodela polyrhiza were investigated in the present study 本文研究了紫萍在形态结构和生理生化方面对uv - b辐射的响应。
45 , they shared a high genetic similarity and small difference in morphology ; 2 ) , the genetic distance between rhapis humilis and r . humilis cv ~了rz ’ ， ’ )的遗传距离为0 . 44 ，从dna水平上和形态结构上都应该是两个不同的种。
Therefore , the diversity of hair is not only exhibited in the species divergence , but also in the process of the dynamic adaptations 因此，毛的形态结构除表现出因物种特异性所呈现的多样性外，还会表现出动物的适应性及其动态过程中的多样性。
The second part of the book focuses on the ways in which the morphological structure of words determines their phonological , syntactic , and semantic properties 第二部分，这本书的重点是如何在形态结构的话，决定着他们的音韵，句法，语义和性能。
Microcosmic morphology of prepared membranes observed by a scanning electron microscopy ( sem ) show that the nanofiltration membrane has a dissymmetrical structure 采用扫描电子显微镜( sem )观察了膜的微观形态结构，表明所制纳滤膜具有典型的不对称结构。
Bioscience is a natural science correlative to human beings and environment . it studies the conformation of organism and demonstrates the rule of life 生物科学是研究生物体的形态结构，揭示生命活动规律的一门自然科学，与人类生存及其生存环境密切相关。
Urbanization causes great changes of shape and structure of the system and influences severely the biodiversity , hydro ecosystem and visual esthetics characteristics 城市化导致了系统形态结构的巨大改变，严重影响了流域的生物多样性、水文生态过程和视觉美学特质。
