系统发生

This dissertation is divided into three parts. The first part is studies on calcium distribution changes during spermatogenesis, epididymal maturation, capacitation, acrosome reaction, oocyte maturation and egg fertilization using in situ precipitation by potassium antimonate and Ca〓 fluorescent probes at electron and light microscope levels. The main results are: 1 Ca〓 was probably involved in the condensing process of nucleoplasm during spermatogenesis.

本论文分为三个部分，第一部分主要是采用焦锑酸钾原位定钙法和Ca〓荧光染料在电镜和光镜水平对哺乳动物精子发生、附睾成熟、获能、顶体反应及卵母细胞成熟和卵受精过程中Ca〓的分布变化规律进行了系统的研究。

It is very important to set up an ideal model of AD to observed the change of pathology in olfactory systerm.

为了观察AD嗅觉系统的病理改变在疾病发生发展中的作用，建立一种理想的AD模型十分重要。

By use of the identification information, the poorly damped area and the regions of the grid affected by the mode are detected on-line.

利用辨识出的模态信息，可以在线监测大规模电力系统阻尼薄弱区域并及时发现故障发生区域。

To counter the problem of film break arose often from the TDO of the production of BOPP, a new method was put forward to judge and monitor the suitability of the on-line working condition of TDO by observing and comparing the data from the measurement of the film thickness gauge system.

针对BOPP生产中横向拉伸工段常发生的破膜问题，提出一种通过观察和对比BOPP测厚系统测量数据来判断并监控BOPP生产线TDO的实时工况是否合适的方法。

Recent advances in cellular and molecular biology of PNEC system particularly their ontogeny and mechanisms of neuroendocrine differentiation in developing lung are reviewed.

最近对PNEC系统，特别是在肺发育过程中神经内分泌的个体发生和机制区别的细胞学和分子生物学的进展进行了回顾。

Therefore, we not only prove KCR to be a specific marker for Kupffer cells, but also have established a unique system to facilitate the study of ontogeny of Kupffer cells.

在本论文中，我们不但证明库氏细胞受体可作为库氏细胞的专一性标志，并且建立了一个独一无二的系统以供库氏细胞个体发生学的研究。

The incidence of onychomycosis has been increasing and is related to diabetes , a suppressed immune system , and increasing age.

在发生甲真菌病不断上升，是与糖尿病，1抑制免疫系统，随着年龄增长。

For eliminating the hidden danger caused by the misiperation in the present operation law and flow, the system will manage the operation rule and the operation course by the computer, at the same time verify the validity of every operation step of every course to avoid operation mistake as a result of the carelessness of operator or the change of the operation mode.

本文所建系统针对供电公司现有操作制度和工作流程中的隐患，利用科学的算法和规则进行安全校验，避免了电网操作过程中由于人的疏忽和电网的变化而引起误操作的发生。

In addition, the organogenesis of inflorescences and flowers of the monotypic genus Platycarya was investigated with scanning electron microscopy.

在对壳斗目开展大量分子系统学研究的同时，还对胡桃科化香树属Platycarya的花形态发生过程进行了详细的扫描电镜观察，讨论了胡桃科单性花的起源和演化问题。

When some of the measurements are lost, the system will reduce the dimension by orthogonal projection without changing the measurement model.

当发生部分数据缺失的情况，系统只需要通过正交投影方法将观测空间降维，而不需要改变观测模型，也不需要重新对跟踪滤波器进行初始化。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。