原因

There are lots of reasons for this but one of these reasons is that we focus on publishment without on forecasting.

导致我国群体性治安事件频发的原因是多方面的，但在处理群体性治安事件时存在着重处置、轻预测的问题，不能不说是当前我国群体性治安事件频发的重要原因之一。

It is considered that the defects of vacuum pugged body are attributed to improper mud hardness,pugmill cylinder shape, core connection and parameters of electric preheating.

结合生产实际，对造成110kV SF6瓷套真空细练泥段变形和开裂的原因进行了分析，认为粗练泥段的硬度、工艺筒和芯轴的连接方式及电阴干工艺是造成真空细练泥段缺陷的主要原因。

The blood flow imaging including pulsative index and resistant index of uterine artery were measured to investigate the caus e of female infertility by using color Doppler energy. Abdominal CDE exami nation was carried out in 67 women with infertility confirmed under laparoscopy on days 20 to 23 of the menstruation.

利用彩色多普勒能量图测定子宫的血流，即血流的脉冲指数（pulsative index，PI）及阻力指数（resistant index，RI）来探索不同原因的女性不孕症。67例不孕症妇女经腹腔镜诊断确诊不孕原因后，于月经周期第20～23 d 作腹部B超彩色多普勒能量图检查。

Department of Obstetrics and Gynecology, Tongji Hospit al, Tongji Medical University, Wuhan 430030Abstract: The blood flow imaging including pulsative index and resistant index of uterine artery were measured to investigate the caus e of female infertility by using color Doppler energy. Abdominal CDE exami nation was carried out in 67 women with infertility confirmed under laparoscopy on days 20 to 23 of the menstruation.

利用彩色多普勒能量图测定子宫的血流，即血流的脉冲指数（pulsative index，PI）及阻力指数（resistant index，RI）来探索不同原因的女性不孕症。67例不孕症妇女经腹腔镜诊断确诊不孕原因后，于月经周期第20～23 d 作腹部B超彩色多普勒能量图检查。

Risk and maneuverability analysis on engineering design is widely used to conduct security appraisal abroad. The potential risks might be caused by technical parameter deviation, failure and faulty operation of facilities and pipelines in the system were normally analyzed along with the reason why deviation and faulty operation occurred. The acceptable risk was then appraised according to the results, reasons and designed protective facilities. Later, the security countermeasures and solutions were brought forward purposively to further modify and refurbish the security design and operation management.

国外广泛应用危险与可操作性分析对工程设计进行安全评价，分析系统中装置、设备、管道的个别部分工艺参数偏离、故障或误操作引起的潜在危险，分析偏离、故障出现的原因，根据后果、原因和已设计的保护装置，评估可接受的风险，并有针对性地提出安全对策和措施，用以指导修改、完善工程的安全设计和操作管理。

Fire and human activities increased the domination of oak forests because of their biological features of oak trees. Cutting repeatedly was the main reason for the domination of Quercus mongolica forest in recent 100 years in north and east China. During the succession of ...

火是原生性质蒙古栎林在地质历史时期存在和扩散的根本原因，过度的人类活动是促成现在蒙古栎次生林占优势地位的主要原因，这是由蒙古栎这个树种的生物学特性决定的，在没有外界因素的干扰和火减少的情况下，蒙古栎在演替过程中逐渐被耐荫的树种所取代，但是在中国北方，由于人类活动的加剧，蒙古栎林的优势度有增加的趋势。

Then, as Magic details in the book, arose the issue of Thomas questionably being kept off the Dream Team in 1992, and Magic explains that he had a personal role in securing Thomas' absence from the Olympic squad.

然后，魔术师在书里继续披露了托马斯在1992年没能入选梦一队的原因，魔术师讽刺托马斯说之所以他不能去参加奥运会，完全是因为托马斯的个人原因。

One of the factor arousing fund risks of social endowment insurance system is falseness of premium-paid base, so necessary steps should be take to assure its authenticity and avoid decrease recessively of the fund.this paper expounds the situation of fund risks of social security pension system by applying a great deal data . Then taking the current system in Zhejiang province as an example, the paper analyzes whether the current system corresponds to by mainly applying the method of game theory . Based on these detailed analysis. Meanwhile by comparing the typical pension system of other countries, the paper puts forward our target system in the future.

文章以大量数据说明当前基本养老保险基金风险的严重情况，指出基本养老保险缴费基数是导致基金风险的重要原因，然后以浙江省基本养老保险制度为例，阐述缴费基数不实的种种表现，并结合博弈论等方法分析这些因素出现的深层次原因，在此基础上，运用精算学理论揭示基本养老保险缴费基数与基金风险之间的关系，分析缴费基数不实的危害性，重点为缴费基数不实导致基金养老保险基金流失的实证分析，最后总结全文，有针对性地提出提高缴费基数真实性的政策建议。

CBW Programs, lays out the policy issues and options between chief high-ranking officials and the content of NSSM59, then analyses the causes of the redecision from three aspects, that is: Humanitarian pressure, America governments inner factors and renew of U.S. CBW Programs.The third part compares U.S.

然后对美国生化武器再决策的原因作了重点分析：主要从尼克松政府面临的来自国内、国际的人道主义压力，美国决策集团内部的因素和美国生化武器计划本身的更新问题这样三个方面来解释美国尘化武器计划再决策的原因。

But in practical operating, overvoltage caused by reignition of the vacuum switching device frequently appears, and it result in damage of the capacitor bank or the switchgear itself. Ensuring the switchgear against reignition and installing a protective device are two main approaches to avoid the phenomenon. In this paper, a study on overvoltage caused by reignition due to capacitor bank switching with the vacuum switching device and its preventive measures are carried out. The main work which has been done and researches are as follows: 1. The producing mechanism of overvoltage and its influence factor are analyzed. It is pointed out that single-phase reignition is the main reason for damage of the switchgear and two-phase reignition is the main reason for damage of the capacitor bank,so overvoltage of single-phase reignition and two-phase reignition are the emphases of prevention. 2. Analysis of the special working condition of the operating switch for capacitor bank is carried out. It indicates that the vacuum switching device is difficult to realize no-reignition under this operation condition, so it is more practical to adopt protection devices. 3. Analyses of protection effect of RC and MOA and their shortages are carried out. It shows that the two methods can only restrain effectively overvoltage caused by single-phase reignition, and they cannot protect the capacitor bank when reignition of two-phase occurs. 4. The operation principle of G-R damping device is analyzed and discussed emphatically.

本文针对真空开关投切电容器组时因重燃而产生的过电压及其防治措施进行了研究，所开展的主要工作和研究结果如下： 1、对过电压的产生机理及其影响因素进行了分析，指出单相重燃是导致开关设备损坏的主要原因，而两相重燃则是导致电容器组损坏的主要原因，因此单相重燃和两相重燃过电压是防护的重点； 2、对电容器组操作开关的特殊运行条件进行了分析，指出在这种运行条件真空开关难于实现不重燃，因此采用保护装置更具有现实意义； 3、对RC与MOA的保护效果和存在的不足进行了分析，指出这两种方法均只能有效抑制单相重燃过电压，而不能在发生两相重燃时保护电容器组； 4、重点对G-R阻尼装置的工作原理进行了分析和讨论，指出该装置接入后线路中将会出现两种频率的高频振荡，而电容器组上的过电压是由这两种振荡共同决定的； 5、根据对上述两种振荡的分析指出存在一个最佳电阻值使得过电压最低，并提出了电容器组电压和最佳电阻值的近似求解方法； 6、使用电气暂态分析软件MATLAB对G-R装置的保护效果进行了仿真计算，证实该装置确实可以有效抑制重燃时的电容器组过电压； 7、根据仿真与近似计算结果的偏差提出了近似计算的修正方法，经过修正后的过电压计算结果与仿真结果吻合较好； 8、对G-R装置中放电装置G与阻尼电阻R的要求进行了分析，指出采用编织电阻和真空间隙可能是最佳选择。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。