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By studying mineral grains found in material ranging from rocks to clay articles, previous researchers have already been able to identify reversals dating back 170 million years, including the most recent switch 730,000 years ago.
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通过研究岩石，陶器等一系列材料中含有的矿物颗粒，先前的研究人员已能够确认早在1.7亿年发生的磁场两极转化现象，以及发生在73万年以前的最新一次两极转化现象。 |
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By studying the ancient documents on how it influences over physical education pedagogy nowadays, this article had three purposes.
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观现今体育教学法，不是借自于教育教学法，就是由学者专家自国外引进。 |
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By studying the case of appointment and salary distribution system reform of a local higher education institution, the paper explores such issues as how local universities should organize their positions in a scientific and reasonable manner, how to stren
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摘要佛山科学技术学院改革的实践表明，地方高校教师岗位聘任和分配制度的改革，应紧密结合学校自身的实际，科学合理地设置岗位，加强聘约考核，并积极探索新的分配模式，统筹兼顾改革中的各种关系。 |
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By studying the characteristics of pass numbers in the 2006 Li Ning Cup National Collegiate Football Tournament from the four aspects of the time, the area, the position and the time touched by foot, some problems have been found that very few teams could
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通过对2006年“李宁杯”全国大学生足球联赛9场比赛传球数量特征中的传球次数、传球区域、传球部位和传球时脚触球次数四个方面的研究，结果发现：只有很少队伍能够通过传球技术的发挥达到提高球队整体水平的目的；比赛中球队整体实力差异较大；使用传球技术方法单一、保守，缺乏出奇制胜的效果；传球前的触球次数比例不合适。 |
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By studying the development of a succession faction of one Hakka's surname in South China, the paper uncovers the relationship between migration and the vicissitude of the country and analyses the urbanization problem in the modern villages, the new trend
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本文以华南的一个单姓客家继嗣群派系的发展为案例来揭示移民流动与乡村聚落变迁的关系，并由此分析现代村落中都市化问题、宗族发展新趋势及其对地方权力带来的影响。 |
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By studying the discrete Fourier transform properties of the band-limited digital signal,the authors introduce alternating projection neural networks into the paper,expand APNN's application scope from real field to complex field,and present several impor
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本文通过对频带受限数字信号的离散傅立叶变换特性的研究，引进了交替投影神经网络，并将其应用范围从实数域拓广到复数域，且给出了在复数域仍然成立的若干结论.运用这些结论，在对网络噪声抑制、网络收敛速度及待外推信号因截断而造成频谱严重外泄问题的分析与讨论的基础上，提出了一种基于交替投影神经网络的外推算法.仿真实验表明该方法是行之有效的.另外，该算法对频谱外推同样适用；由于它采用全互连神经网络结构，易于并行计算和VLSI实现，从而可满足军事上实时处理的需要. |
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By studying the documentary and using logical analysis, the paper treats of the driving forces of Shadowboxing development.
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摘要采用文献资料法和逻辑分析法，对太极拳发展动力的有关问题进行了探讨。 |
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By studying the realms of the Umbra, they learn to understand great secrets, increasing their mystical understanding or Gnosis.
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通过了解影界世界，他们探寻那些大秘密、扩大对神秘世界的了解、增进灵知的力量。 |
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By studying the result of physical education curriculum teaching after the implementation of Physical Education Curriculum Guiding Outline for Common Institutes of Higher Learning in Chinaby Hunan province, the author revealed that the implementation of t
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摘要通过时湖南省普通高校《纲要》实施后体育课程教学的研究，从教学效应与学生学习效应两方面，揭示了《纲要》的实施并没有实现课程改革的预期目标，提出课程改革应加强课程的文化性和约束力。 |
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By studying the source rocks and horizontal change rules of crude oil physical properties of reservoirs found out in Jinhu Depression, the oil and gas migration modes and accumulation rules under different geologic conditions are summarized.
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摘要通过对金湖凹陷烃源岩及已发现的油藏原油物性的纵横向变化规律，总结出不同地质环境下的油气运移方式及油气聚集的规律。 |
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By studying the trend of total yield changes, we found that the income distribution of China's Stock Market will have a significant structural change as Equity Division Reform forwarded.
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随着股权分置改革渐进式地推进，中国股市各类股权所有者的收益分布会发生显著的结构性变化。 |
