这个城市的历史可以追朔到秦代。
现代的气候记录可以追朔到1850年。
两国间的友好关系可以追朔到许多年以前。
The two countries are linked by bonds of friendship going back many years.
漳浦剪纸的历史源远流长，可以追朔到唐宋时期。
Paper-cutting in Zhangpu has a long history, which can date back to the ancient time(the Tang and Song Dynasties).
本文追朔了酸雨的历史，综述了酸雨的形成过程。
This paper surveys the history of the discovery of the acid precipitation and provides a summary of its forming process.
就像我之前写的，这样的信念可以追朔到中国古代的帝王。
As I've written here before, this faith dates back to the time of the emperors.
也因此，我们不能追朔道的起源，也无法探究道的最终流向。
Hence, we cannot trace back to the origin of Tao and can't study its destination.
该图像显示了通过追朔大部分宇宙历史而得的丰富多彩的7500个星系的锦绣。
The image shows a rich tapestry of 7, 500 galaxies stretching back through most of the universe's history.
该图像显示了通过追朔大部分宇宙历史而得的丰富多彩的7500个星系的锦绣。
The image shows a rich tapestry of 7,500 galaxies stretching back through most of the universe's history.
你可能不得不追朔到自己的童年，去消除深存于你跟爸或妈的关系里的各种恐惧感。
You may have to reach back into your childhood relationship with your father or mother to resolve deep-seated fears surrounding a relationship.
但对我们来说这很令人激动，因为它揭示了这个遗址最早的建筑层，可追朔到3000年前。
But it is really exciting to us, because it reveals the earliest construction layers of the site, dating to about 3,000 years ago.
但对我们来说这很令人激动，因为它揭示了这个遗址最早的建筑层，可追朔到3000年前。
But it is really exciting to us, because it reveals the earliest construction layers of the site, dating to about 3, 000 years ago.
数个世纪以来，天花对于人类来说是一种最可怕的致命性疾病，其历史可追朔到3500年前。
Over the centuries, smallpox has been one of mankind's most feared and deadly diseases with a history dating back at least 3500 years.
水汽的源地可以追朔到相当远 ，主要来自西太平洋副热带高压南部低纬热带地区和印度洋洋面。
The water source comes from the low latitude south of the subtropical high over the west Pacific and the Indian Ocean.
Mehrotra说，追朔至百年前美国进行例年医学体检的机构旨在检测和预防潜在的健康问题。
The institution of the annual medical check-up, intended to detect or prevent unseen health problems, dates back about a century in the United States, Mehrotra said.
科学家可以使用基因条形码技术（通过来自样本的短基因标记来识别物种的技术），可以追朔肉甚至是皮革商品源于什么物种。
To trace the source of meat, or even leather goods, scientists can use DNA barcoding, which uses a short genetic marker from the sample to identify it.
在世界上的每个角落，某些城市居民过多地承受健康不良造成的痛苦，而这些不公平现象可追朔到他们在社会和生活条件方面的差异。
In every corner of the world, certain city dwellers suffer disproportionately from poor health, and these inequities can be traced back to differences in their social and living conditions.
在世界上的每个角落，某些城市居民过多地承受健康不良造成的痛苦，而这些不公平现象可追朔到他们在社会和生活条件方面的差异。
In every corner of the world, certain city dwellers suffer disproportionately from poor health, and these inequities can be traced back to differences in their social and living conditions.
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