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- An evolutionary trend in the animal kingdom toward centralization of neural and sensory organs in the head or anterior region of the body. 头部形成,头向集中动物界神经和感觉器官向头部或身体前部集中的一种进化趋势
- From the angle of phylogeny, the evolutionary trend of tracheidlength was from long to short, so P. armand was primitive. 从系统演化的角度上看,管胞在长度方面的进化趋势是由长逐渐变短。
- The biosystematic relationships of the three genera are corroborated by the evolutionary trend of trispikelet in the external morphology. 三柄麦属、芒麦草属和新麦草属的这一系统关系同它们外部形态上三联小穗的演化趋势是相互印证的。
- The stomata apparatuses were predominantly anomocytic and the evolutionary trend of the stomata1 apparatuses was from diacytic type and paracytic type to anomocytic type. 该科植物气孔器以无规则为主,且气孔器由横列型、平列型向无规则型方向进化;
- The characters of leaf epidermis can be used in diagnosing species and elucidating the evolutionary trend and relationship among the species in the genus. 气孔器类型以平列型为主,并伴有侧列 型,极少数出现不规则型;
- A study on the classification, distribution, evolutionary trends and uses of Chinese Corydalis subgen.Capnites DC. 文章题目 中国的紫堇属延胡索亚属的分类、分布演化趋势及其用途.
- Evolutionary trends were once promoted by prestigious biologists at the turn of the last century. 在十九与二十世纪之交,声望很高的生物学家们一度大力宣传进化的趋势。
- On the basis of the analyses of various morphological and palynological characters, evolutionary trends of some characters are revealed as follows:2. 首先,简要回顾了此属的分类学研究历史,继对此属的营养器官和生殖器官的重要形态特征和花粉特征进行了分析,揭示出一系列演化趋势。
- Although the pollen concentration does not accurately describe the change of incidence of pollinosis, it can indicate evolution trend. 虽然用花粉浓度的高低不能精确地表示发病率的高低,但基本可以表征花粉症的发病趋势。
- Probing into the motif of Shui Hu drama helps us to apprehend the evolutive trend of the thought of producing literature under the times influence. 通过对水浒戏主题转变的深入探讨有助于我们了解在时代的影响下文艺创作思想的发展趋势。
- In literally, there shows the evolution trend from northeast and southwest distributaries channel sand to delta front far bar sand. 平面上,从北东向南或南西方向显示出从分流河道砂体向三角洲前缘远端坝砂体过渡的变化趋势。
- Among the three types, the columnar-torus one might be the primitive type, from which the other two were derived representing two different evolutionary trends respectively. 平托型与球托型源自于柱托型,它们是柱托型向不同方向演化的结果。
- This article research Ming Dynasty's usurious interest rate, makes a thorough inquiry about its types, the difference in different area, the construction and the evolution trend. 本文论述了明代高利贷利率的种类、地区差别、结构及演变趋势,弥补了以往学者对此问题研究的不足。
- Discussion on the evolutionary trend of Lake Dongting 洞庭湖演变趋势探讨
- Dynamic mechanism of currency evolvement and evolutionary trend 货币演化的动力机制及其演化趋势
- From the perspective of historical geology, study of the processes of geological events happened in the earth history, their evolutionary trends and environment impacts in the past and future, will be a major task of geology in the 21 century. 以历史地质学的方法和视角,研究地质过程的发生、发展和演化过程,以及这种过程在今天和明天的演化趋势,及其对人类生存环境的影响,将是今后一个时期地质科学的主要任务。
- Do you think it's a general trend? 你认为这是总的趋势吗?
- The runaway inflation would seem to put the brakes on such a trend. 失控的通货膨胀似乎阻止这一趋势的发展。
- The Spread and Roles of the Evolutionary Trend in Modern China 进化思潮在近代中国的传播及其作用
- The Evolutionary Trend to the Third Generation Mobile Communication 第三代移动通信系统的演进趋势