形态发生

The significant changes were obseved in the morphology,size,number and the degree of development of nuclei,nucleole,mitochondrial and chloroplast of apicalmeristem cell.

在这期间茎端细胞内核仁、线粒体、叶绿体等的形态、大小、数量、发育程度等发生明显变化。

The results show that, with the maturity of the gonad, the undifferentiated germ cell divided and differentiated to smaller oogonium or spermatogonia, and the oogonium or spermatogonia transformed to oocyte and sperm undergoing a series of maturation process.

摘 要 通过观察栉江珧的未分化生殖细胞，精原细胞和卵原细胞，精母细胞和卵母细胞，精子和卵子的形态结构与分布状况及核仁在卵成熟过程中的变化，对栉江珧生殖细胞发生及成熟过程的有关问题进行了探讨。

According to the size and shape of cells,nuclei and nucleoli,and to the NPand the vitelline accumulation,the oogenesis can be divided into five phases:oogonium phase,small growth phase,large growth phase,pro- maturation phase and ma...

卵子发生根据卵细胞、细胞核及核仁的大小形态、核质比和卵黄积累情况可分为：1。卵原细胞期：2。小生长期；3。大生长期；4。成熟前期和5。成熟期。卵巢发育则根据第一批卵细胞的发育情况、卵巢长度及颜色分为五期，大致可归纳为三个阶段：5～7月为延缓期；8～11月为对数增长期：12～4月为稳定期。

Mastery the method to dredge teeth of every group(position shape size and method of operation ),familiar the mistake and the measure to prevention in the course of dredge the pulp

掌握各组牙齿的开髓法（开髓口的部位、形态、大小及操作方法），熟悉开髓过程中发生的差错及预防措施

The generic distributions in both modern and fossil times were outlined, and their distribution center, place and time of origin and the way of dispersal were discussed. An attempt was made to discuss early differentiation, geographical radiation and morphological evolution of the family on the background of paleogeography and paleoclimatology, tracing back as far as the Late Cretaceous and Early Tertiary.

作者试图回到遥远的晚白垩纪和旱第三纪，从描绘桦木科植物起源和早期分化的古地理和古气候背景入手，分析了在这种背景下桦木科植物所发生的空间辐射以及植物体本身所产生的形态进化，以求得对桦木科植物起源、散布和分化作出比较合理的解释。

With increasing of salinity , there were no obvious difference in quantity and shape of chloroplast under SEM , but their location in palisade cells occurred change .

扫描电镜下栅栏组织细胞中的叶绿体数量和形态未见明显的变化，但叶绿体在细胞中的位置发生了改变。

The thickness of palisade tissue decreased, and that of spongy tissue had no relation with salinity, the ratio of the thickness of palisade tissue to spongy tissue decreased with increasing salinity.

扫描电镜下栅栏组织细胞中的叶绿体数量和形态未见明显的变化，但叶绿体在细胞中的位置发生了改变。

Due to the progress of high technology and its extensively application in military affairs, the form of modern war has changed greatly and the medical service has presented new feature. which enhances the requirement of pharmaceutist of the field dispensary.

随着高技术发展及其在军事领域的广泛应用，现代战争的形态已经发生了根本性的变革，卫勤保障呈现出新的特点和规律，对我军野战医疗所药学人员提出了更高的要求。

The addition of small amounts of phenazine (0.005-5.0%) induced a great change of color, morphology and properties of MC nylon. The modification effect was considered to result from the bydrogen bond between nylon-6 and phenazine. The effect of the di-model compund of PPQ on MC nylon is between that of he mono-model compound and phenazine.

少量(0.005—5.0％)吩嗪的引入使MC尼龙的颜色、形态及性能等发生巨大变化，改性体系被认为是氢键相互作用，PPQ双模型化合物的改性作用介于二者之间。

The roles of different forms of inorganic nitrogen in the photolysis of acetamiprid was simulated at different environmental pE values.

模拟研究了环境中氮发生形态转化时对啶虫脒在水体中光解的影响。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。