The Peripartum Clinical Course of Umbilical Cord Prolapse with Vertex Presentation

Results: Among dealing with the dystocia of vertex presentation, the rate of cesarean section tends to increase and the rate of forceps delivery tends to decrease year by year.

结果：在头位难产处理中，剖宫产率呈逐年升高趋势，产钳助产率则呈下降趋势。

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We use the negative form of the PRESENT PROGRESSIVE to talk about

我们用现在进行时的否定形式来讨论

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We should think of how to put into "present progressive tense" of this Modern Chinese Literature history ourselves.

我们应该思考自己如何投入到这一中国现代文学史的“现在进行时”中去。

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By analyzing the pragmatic meaning of personal pronoun, present progressive tense, passive voice and interrogative sentence, the author points out that grammar teaching can be combined with pragmatic knowledge, which will contribute to the improvment of pragmatic competence.

本文通过分析人称代词、现在进行时、被动语态、疑问句的语用含义，指出语法教学完全可以和语用知识相结合，这种语法教学法有助于培养学生的语用能力。

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Chinese learners use the present progressive more than the past progressive.

中国学习者使用现在进行体多于过去进行体。

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In the PRESENT PROGRESSIVE these questions look like

在现在进行时中这些问句由

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Therefore, human capital and economic growth is not necessarily present simple positive correlation, and human capital allocation needs integration by social systems.

由此可见，人力资本与经济增长并不一定呈现简单的正相关关系，人力资本配置需要社会力量系统的整合。

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Operations of the information-management services should present simple actions that can be applied to data or content.

信息管理服务的操作应该提供能够应用于数据或内容的简单操作。

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So at present simple control mode has been adopted widely, such as two bit type adjustment, which is difficult to let dedust system work stably in optimum condition with high efficiency.

所以目前普通采用二位式调节等简单控制方式，难以使除尘系统在最佳状况下稳定、高效运行。

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In this paper we present simple techniques for solved dynamics problems stochastic nonlinear dissipative oscillators by Krylov-Bogoliubov averaging methods and generalize this techniques to study of random oscillators systems exhibiting new noise-induced phenomena.

在本文中，我们借助于Krylov&Bogoliubov平均方法建立了求解随机非线性耗散振子动力学的简化方法；并将此方法推广到能显示新噪声感应现象的随机振子动力学的研究中去。

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Instead, I present a simple stock trading application example.

而是会给出一个简单的股票交易应用程序样例。

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Michelle Obama said problems with girls' education often stemmed from traditional attitudes and beliefs that exist even in the United States and lead to issues such as the gender pay gap and an underrepresentation of women in leadership.

米歇尔•奥巴马表示，女性教育常常因传统态度与观念而受阻，这种态度与观念甚至在美国也依然存在。而女性教育受阻则会造成性别收入差异以及女性在领导阶层代表不足。

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The underrepresentation of women on boards and in other positions of responsibility is one that, arguably, begins at business school.

公司董事会以及其他管理职位的女性比例不足，可以说始自商学院。

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Google's leaders say they are unhappy about the firm's poor gender diversity, and about the severe underrepresentation of blacks and Hispanics among its work force.

谷歌高层表示，公司的性别多样性较差，而且雇员中黑人和西语裔的比例严重偏低，令他们感到失望。

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Across TV and film, the underrepresentation of non-white characters falls mostly on Hispanics.

纵观电视和电影，非白人角色中最被忽略的是西班牙裔。

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Politicians of all races and ethnicities are troubled by the underrepresentation of minorities in top elective offices.

最高选举办公室中的少数民族代表名额不足的问题困扰着所有种族和民族的政治家。

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The leitmotiv of the former is presentative, absolute, analytical and coincidental;

前者的主旨是表象的、绝对的、分析的、符合的；

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The most influential and presentative case was the one that USA, Canada and Argentina brought an accusation against EU for refusing import Genetically Modified organisms.

2003年美国、加拿大和阿根廷向WTO诉欧盟拒绝进口转基因产品一案最具代表性。

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Calculations of design wave factors have been made in this paper based on actual records from one of the comparatively re-presentative observation stations along the east coast of Guangzhou.

本文根据粤东沿海一个较有代表性的测波站的实测记录，作了设计波要素计算。

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This paper follows map's evolution process and puts stress on two problems. ( 1) The paper makes a brief analysis of map's two re-presentative definitions in ancient and modern times and its historical limitations;

本文追循地图的演变过程，着重说明两个问题：（1）简要分析古代和近代两个有代表性的地图定义及其历史局限性；

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