1·The birth of Christ was the beginning of a major epoch of world history.
基督的诞生是世界历史一个重要时代的开始。
—— 《柯林斯英汉双解大词典》
2·The death of the emperor marked the end of an epoch in the country's history.
皇帝驾崩标志着该国历史上一个时代的结束。
—— 《牛津词典》
3·The Renaissance was an epoch of unparalleled cultural achievement.
文艺复兴是一个文化上取得空前成就的时代。
—— 《新英汉大辞典》
4·As such, it needed to appreciate the economic realities, the social contexts and power relations in which each epoch stood.
因此，它需要了解每一个时代所处的经济现实和社会背景，以及所牵扯的权力关系。
5·That's what the place looked like at some remote epoch.
这是这个地方在某个久远的时代的样子。
1·Actually, the proposal focuses on a particular subset of megafauna, the kind that lived during the Pleistocene epoch.
实际上，这个提案关注的是生活在更新世时期的巨型动物的一个特定子集。
2·The Holocene Epoch is characterized by different sediments, ones that form when the climate is warmer.
全新世时期的特征为不同的沉积物，它们在气候变暖时形成。
3·Since this light is older, it represents an earlier epoch in the universe's history.
由于光线更老，所以它所显示的是宇宙历史中较早的时期。
4·Scientists say a new geologic epoch has begun whereby humans are causing major damage to global water systems.
科学家称人类开始对全球水系统造成重大破坏，一个新的地质时期由此开始了。
5·His college years were a happy epoch in his life.
他上大学的那几年是他一生中快乐而有意义的时期。
1·Secondly, epoch state filter is studied by analyzing its working principle and deriving the state equation and measurement equation.
其次，研究了历元状态滤波算法，分析其工作原理，并推导出了状态方程和测量方程。
2·A damped LAMBDA algorithm is used for single epoch GPS positioning combining the condition that baseline length on vessel is fixed, a new method for attitude determination with GPS is put forward.
在作者提出的GPS单历元阻尼lambda算法的基础上，结合固定边长条件，给出了一种GPS姿态定位的新方法。
3·According to the characteristics of the precise GPS deformation monitoring, the similar single-difference model and its algorithm for solving deformation values at single epoch is built.
根据高精度GPS变形监测的特点，建立了单历元解算变形量的似单差模型及其算法。
4·The on-board autonomous term orbit prediction is built according to epoch state filter. And sun-synchronous orbit satellites are taken as examples for the simulation.
采用历元状态滤波建立了星上自主中长期轨道预报方法，并以太阳同步轨道卫星为例对算法进行了仿真验证。
5·Based on Tikhonov regularization, a new single epoch algorithm suitable for deformation monitoring using single frequency GPS receivers is proposed.
基于吉洪诺夫正则化理论，研究了一种适合变形监测的单频单历元算法。
1·If we have indeed entered a new epoch, then when exactly did it begin? When did human impacts rise to the level of geologic significance?
如果我们确实迈进了新的世，那么是什么时候开始的，什么时候人类的影响会达到地质学重要意义的程度？
2·Other scientists put the beginning of the new epoch in the middle of the 20th century, when the rates of both population growth and consumption accelerated rapidly.
其他众多的科学家们建议新世的开始时间在20世纪中页，也即人口和消耗都在加速增长的时候。
3·It peaked in the Oligocene Epoch around 34 million years ago in Eurasia, and again in the Miocene Epoch about 10 million years ago in Eurasia and Africa.
而在大约3千4百万年前的渐新世的欧亚大陆上达到顶峰，在大约1千万年前中新世的欧亚大陆和非洲大陆又再次达到顶峰。
4·Dating from the Eocene Epoch, the crater is likely less than 50 million years old, but the impact bored into Proterozoic sandstones well over 500 million years old.
它形成于始新世，距今可能不到5000万年，但是撞击钻入的原生代砂岩都已经超过5亿年。
5·Comprehensive researches have concluded that the Heishan ophiolite was formed in Nanhua Ordovician period and its structural location in Silurian period early Middle Devonian epoch.
综合研究得出黑山蛇绿岩形成于南华—奥陶纪，构造就位于志留纪—早中泥盆世。