Thusly their short period of existence is enough to bring tears to our eyes.
相比之下，她们的存再时间，更是短得令人落泪。
No reference to their existence appears in any literature of the period.
该时期的任何文献中都没有提及他们的存在。
For a long period of time and in many parts of the country, a traveler was a welcome break in an otherwise dull existence.
很长一段时间，在美国的许多地方，旅行者是一种受欢迎的打破沉闷生活的方式。
For a long period of time and in many parts of the country, a traveler was a welcome break in an otherwise dull existence.
很长一段时间，在美国的许多地方，旅行者是一种受欢迎的打破沉闷生活的方式。
So, this discovery pushes the existence of the Nephila back to the Jurassic Period, making them the longest ranging spider genus known.
所以，这项研究将络新妇的出现年代提前到了侏罗纪，使得其成为了蜘蛛中已知的生存年代跨度最大的一属。
Astronomers John Matese and Daniel Whitmire of the University of Louisiana at Lafayette repeatedly claimed to have evidence of its existence based on irregularities among long-period comets.
路易斯安那大学拉斐特分校的天文学家约翰·马泰塞和丹尼尔·惠特迈尔曾多次发表声明表示，基于长周期彗星运行轨道的不规则性，他们发现了该天体存在的证据。
I am happy to believe that at every period of our existence as a nation there has existed.
我很高兴相信在我们作为一个民族生存的每一个时期，在人民大众中已经存在。
Chemical fossils Particularly resistant organic chemicals present in geological strata that are thought to indicate the existence of life in the period when the rocks were formed.
残存于地质地层中的有机化学物质，当这样的地层被发现时，可以预测出那个地层形成时期的生命活动现象。
At any period there are works of folk literature created by grassroots people and at the contemporary by the technical application of the computer types the existence of such works becomes more easy.
在任何时期，都有一些由基层民众所创作的文学作品，在当代，则由于电脑打字技术的应用，这样的作品集的存在更加容易。
In this paper, the existence of infinite period bifurcation of a nonlinear communicable disease model with temporary immunity (SIRS) is studied, and we give global bifurcation of the system.
本文讨论了一个具有暂时免疫的非线性SIRS传染病模型的无限周期分枝的存在性，从而给出了该系统的整体分枝。
The article expounds the nature of periodic function and proves the existence of the base period of the continuous periodic function.
本文给出了周期函数的几个性质，并证明了连续的周期函数基本周期的存在性。
The dissertation is on the study of British Jews issues between 1656 and 1858. It is based on four chapters to finding and proving the existence condition of British Jews in the period.
本文旨在论述1656—1858年的英国犹太人问题，试图通过以下四个部分来考察这一时期犹太人在英国的生存状况。
Within the rational eyesight of writers, those novels revealed the deviation between the intellectuals' pursuit as individual existence and the criterions of the specific history period.
在作家的合理性视野之下，小说表现了知识分子作为个体存在的追求与特定历史时期的规范之间的背离。
The existence of the urban poor, who are generally faced with life, employment, and psychological pressure, is an indisputable fact in the period of social transformation.
城市贫困者的存在是社会转型时期的不争事实，他们普遍面临着生活、就业及心理等多方面的压力，他们有自己的需求与呼声。
This part analyzes Shen Congwen's loneliness of existence and despair in the "lunacy" period.
分析沈从文“精神失常”时期，存在的孤独与绝望。
Throughout its existence of more than 150 years, the Expo will bring new knowledge from a specific period of time and trend of development, reflecting the human civilization.
纵观其超过150年的存在，世博会带来大批的时间和特定时代的发展趋势，新常识，反应了人类文化。
They also analysed the model's period-doubling phenomena and existence of chaotic character, and studied model's optimal control problems.
通过对最佳状态的稳定性分析，论述了该系统存在倍增周期现象和混沌现象的可能性。
This paper gives a constructive proof of existence of period of polynomials infinite field. Using it we can also find the period of polynomials.
本文给出有限域上多项式周期存在的构造性证明，利用它可求出多项式的周期。
Viewing the people-oriented doctrine as its basic characteristic, it focuses on the existence of ordinary people during the period of transformation in contemporary China.
民本主义取向是它最基本的品格，关注当代中国转型期社会中普通民众的生存状态是它的主要职志。
The property of partnership firm comes from partners' investment and the profits gained from the period of firm existence.
合伙企业财产来源于合伙人的出资和合伙企业存续期间所得收益两部分。
During the period of liquidation, the partnership shall remain in existence, however, it shall not engage in any business activities unrelated to liquidation.
清算期间，合伙企业存续，但不得开展与清算无关的经营活动。
The change of the human living state of modern period has caused a kind of new existence of consciousness and a new way to look at the world.
现代时期的人类生存状态、人类关注的变化导致了一种新的生存意识和看待人类以及世界的新方式。
To asthma, earlier period for diagnosis and cure have great important significance through judgement the existence and the severity of airway inflammation.
如何判断气道炎症的存在及其严重性，对哮喘早期诊断和防治均有重要意义。
For a long period of time and in many parts of the country, a traveler was a welcome break in an other wise dull existence.
在很长一段时间内，在美国的很多地方，一个旅行者是生活中一个受人欢迎的改变，否则生活会很枯燥。
Man is the historical existence but at the same time he transcends the belief of a given historical period.
人是历史性的存在，但同时又有着超越既定历史性的信仰。
At the same time, the network turns into a kind of the mankind 's existence method, and this impact of transformation period also has an influence on field of Visual Art Education.
同时网络化生存成为人类的一种生存方式，这种转型期的冲击对视觉艺术教育领域也产生了重大的影响。
The article discusses the new period of writing poetry in the body to accept the problem, that the physical appearance of writing is a whole literature has a meaning for existence.
文章探讨了新时期诗歌创作中身体写作的接受问题，认为身体写作的出现对于整个文学界都是具有存在意义的。
The existence of grazing bifurcation involved in the period-doubling bifurcation is shown clearly.
展示了这种非光滑系统在倍周期分岔通向混沌的道路中存在的擦边分岔行为。
Observed from the perspective of social economic life, the historical situation of the co-existence of advanced Asia and backward Europe is permeated with this historical period.
从社会经济生活视角观察，先进的亚洲与滞后的欧洲并存的历史局面贯穿这一历史时期之始终。
Observed from the perspective of social economic life, the historical situation of the co-existence of advanced Asia and backward Europe is permeated with this historical period.
从社会经济生活视角观察，先进的亚洲与滞后的欧洲并存的历史局面贯穿这一历史时期之始终。
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