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Two-stage placement of a dental implant is a well-established method for restoring a missing anterior tooth; however, replacement of an anterior tooth by using two-stage implant surgery may result in changes in the interdental papilla height and loss of alveolar bone with compromised esthetic results.

两阶段配售牙科种植体是一个行之有效的方法恢复丢失的前牙，但是，更换一个前牙采用两阶段植牙手术可能导致牙间乳头的改变高度和齿槽骨丧失影响美观的效果。

The main conclusions of this chapter are the following: There is no absolute regional convergence since 1978, even the period were divided into two stage: 1978-1991 and 1992-2002; There exists absolute convergence among the provinces in eastern region in the period 1978-1991, the phenomena is alike to the central and western regions, so the club convergence is the fact of the regional economic growth in this stage; From 1992 to 2002, instead of the club convergence, there exists conditional convergence, human capital, capital investment, international trade and FDI influenced the regional economic growth rate markedly; The distribution of income across provinces don't transform from a unimodal into a bimodal distribution.

本章的基本结论是：改革开放以来不存在绝对收敛，即使将整个改革时期划分为1978—1991年和1992—2002年两个区间也是如此；1978—1991年期间，东部地区和中西部地区内部各自存在人均GDP和劳均GDP增长的收敛，从而形成了俱乐部收敛；1992年之后，并不存在俱乐部收敛，但存在一定的条件收敛，人力资本、物质资本投资、国际贸易和FDI对劳均GDP增长有着重要的正向影响；收入分布并没有发生由单峰向双峰分布的转变，总体上单峰的态势依然十分明显。

Therefore, the multi-stage interaction structures with losses and severed structure were more stability for absolute instability and gyrotron backward oscillations. This study presents a nonlinear analysis of typical oscillations, including absolute instability, gyrotron backward oscillation and reflective oscillation. The multi-stage gyro-TWT seem to increase effectively the start-oscillation currents of the absolute instability, gyro-BWO, and reflection oscillation.

所以在本研究分析中，藉由了解磁旋行波放大器中的自发振荡物理原因及特性，将有助於高功率放大器的设计，并且引用非线性程式进行磁旋行波放大器稳定分析，并且采用兼具隔离管及散布式损耗结构的磁旋行波放大器，同时提升绝对不稳定、磁旋返波振荡及反射振荡的稳定性能有效提升磁旋行波放大器输出功率和频宽。

There are three stages in the formation process of illite fundamental particle:① the nucleation stage of 2-nm thick illite particle at the incipient process of montmorillonite illitization;② the simultaneous nucleation and growth stage and ③ the surface-controlled growth stage.

伊利石单元粒子的形成过程有三个阶段：蒙脱石伊利石化过程中2nm厚的伊利石粒子的成核作用阶段、成核作用与生长作用阶段和表面控制生长阶段。

Instead+of+declaiming+Schiller+and+Shakespeare+on+stage+we+first+had+to+learn+our+craft+Fencing,+tapdancing,+singing+Throwing+and+catching+imaginary+balls+Recognizing,+with+closed+eyes,+fellow+students+by+their+hands+What+all+that+had+to+do+with+great+art+only+became+apparent+to+us+very+slowly+We+wanted+to+be+on+stage+When+we+were+at+long,+long+last+allowed+to+walk+the+boards,+we+quickly+understood+that+a+dark+stage+could+be+the+loneliest+place+in+the+world

戏剧专业的学生并不是一开始就学习朗诵席勒和莎士比亚的作品，而是先要学习表演。学习的课程包括击剑、踢踏舞、唱歌、抛接想象中的球以及闭着眼睛摸同学的手来辨认他是谁。那些与伟大艺术相关的一些事物，一点一点地呈现在我们的眼前。我们期望着登上舞台进行表演，经历了漫长的学习过程后，我们终于获准登上舞台。然而，我们很快就懂得，世界上最孤单的地方就是那个黑暗的舞台。

Instead+of+declaiming+Schiller+and+Shakespeare+on+stage+we+first+had+to+learn+our+craft+Fencing,+tapdancing,+singing+Throwing+and+catching+imaginary+balls+Recognizing,+with+closed+eyes,+fellow+students+by+their+hands+What+all+that+had+to+do+with+great+art+only+became+apparent+to+us+very+slowly+We+wanted+to+be+on+stage+When+we+were+at+long,+long+last+allowed+to+walk+the+boards,+we+quickly+understood+that+a+dark+stage+could+be+the+loneliest+place+in+the+world

外行人或许很难理解，把台词记住然后再表演出来是一件多么艰难的事情。当然还会出现怯场的情况，然而其他的困难呢？仅仅走台步就是所有事情中最难的一件了，没有一个人能够走得恰到好处。走台步是在表演一个角色，绝非像人们散步那样简单。然而，是什么角色呢？这就是表演的难题了。

The discrete-element modeling is a new dynamic modeling method in structural geology and geophysics research. The authors built a discrete element model to simulate the evolution of the fault system in active salt domes. Results show that the fault system undergoes three stages: symmetric deformation stage, asymmetric deformation stage, and complete fracture stage.

离散元模拟是构造地质地球物理研究中一种新的动力学模拟方法，作者通过构建离散元模型，模拟了主动底辟盐构造断裂系统的演化过程，结果表明，该断裂系统的发育主要经历了对称变形、不对称变形、整体破裂三个阶段。

During the period of construction by the cantilever erection construction method, bridge experiences not only the process of generating girder in the stage of T rigid frame, but also the process of system transformation, so bridge has experienced a great complex stress process, in order to ensure the security of bridge during the whole stage of construction, the stress control and geometry control must be made during the stage of construction of bridge.

近些年来，我国随着经济的快速增长，出现了建造大跨度桥梁的高潮，预应力混凝土技术的迅速推广应用以及建造预应力混凝土连续梁桥的各种先进施工方法应运而生，加快了桥梁的施工进度，使得预应力混凝土连续梁桥的跨越能力不断增大，悬臂拼装施工方法就是在这种背景下产生并发展起来的。

Since, the nature and purposes of a counseling group are different with psychotherapy group and T-group, constructing a rationale of stage development of a counseling group is needed. This article discusses characters and the development of interpersonal relationships-that are related to the stage development and stage characters of a counseling group, based on the sociological theory of interpersonal development and relations.

研究者使用社会学的人际理论作为基础，剖析团体成员在团体过程中人际关系发展的原理与特徵，并去诠释和了解谘商团体发展的人际历程，据以建构出谘商团体的阶段，共有五个：初次接触、联结阶段、友谊阶段、互助与合作阶段和收获与退出阶段。

In the creation and performance of the stage works of art at the same time, Shizuoka Prefecture stage Arts Centre highlights outstanding works, training stage artists and groups have been in Greece, Russia, the United States and other countries performed widely acclaimed.

在创作和演出舞台艺术作品的同时，静冈县舞台艺术中心着重介绍优秀作品、培养舞台艺术家，并曾组团在希腊、俄国、美国等国进行公演，广受好评。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐