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We firstly calculated the formation and dissociation of these complexes in ZnO.

在第四章中，我们研究了ZnO中的几种重要的杂质与H的复合体的性质。

Firstly, we discuss dissolving mechanism of solvent for toner of mixed office waste paper.

首先，探讨了溶剂对混合办公废纸油墨的溶出机理。

The method for the point sets selection of point Hough transform and the scan direction for image of searching the point sets were improved by using the geometrical characteristic of the concentric circles:The center of the concentric circles was obtained in the accumulative array firstly,radius was obtained by the mean of distance between the circle center and every edge points afterwards,both the circle center and the edge of the concentric circles were detected accordingly.

利用同心圆的几何特点对点Hough变换边缘点的点组选取方法和搜索点组的图像扫描方向进行了改进：首先由累加阵列确定同心圆的圆心，然后由圆心到各个有效边缘点距离的均值求出半径，从而检测出同心圆的圆心与边缘。

Firstly, we mistook distillate for dreg during some phases of Marxism integrating with Chinese traditional culture.

第一，在马克思主义与中国传统文化相结合的某些阶段，混淆了传统文化的精华与糟粕。

Firstly, according to the formation of cognition, the separation and distinguishment of the subject and the object is the premise of cognition.

首先，从认识的形成看，认识主体和客体的分化和区分是其前提。

In this article, firstly, the significance, features, conceptual development and implementary principles of recurrent education are expounded,and its economic value is illustrated in terms of its practicality and economic function; then the importance and properties of lifelong learning are analysed,and it is held that the distinguishment of and stress on recurrent education in the practice of lifelong education is the most essential and important means for the practical application of lifelong learning notions;lastly,the current situation of and obstacles to recurrent education are made clear and the implementary tactics and approaches are presented.

摘要］本文首先论述了回流教育的意义、特征、理念的发展以及实施原则，接着从回流教育的实用性及其经济功能来说明回流教育的经济价值；然后再论述终身学习的意义与特征，并从终身学习的实践途径中凸显回流教育的实施乃是实践终身学习理念最基础、最重要的途径。此外，文中也指明了目前实施回流教育的现况及阻力，提出了回流教育的实施策略与实施途径。

It is pointed out that the members distortional buckling conditions lie on the section firstly and then the length of members.

指出压杆畸变屈曲是否发生首先决定于截面尺寸和形式，其次决定于压杆长度。

Firstly, four beams are formed using wideband distortionless beamforming method, which divides the whole space into four separated regions. Then the beam outputs are calculated and taken as the signal received by a reference point.

该方法首先预形成指向4个方向的宽带无失真波束，各自的主瓣区域把整个空间分为4个不同的测量区，然后分别将这4个波束形成器的波束输出作为参考点接收到的声信号，利用基于时延的定向方法定向处于不同测量区的声源。

The method and corresponding models are firstly presented to fit observation data of creep with renovated normal distribution curve.

同时考虑岩土工程的随机性和模糊性，应用模糊优选理论对有关数学模型解算中权的确定进行了研究，并给出了相应的计算权重模型。

Firstly, the optimality of identical sensor system for the exponential distribution family has been verified.

首先，我们确证了全同感测器系统在指数分布族的参数辨识问题上的最佳性。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。