To really understand the technology , we must go much further back in time 要真正了解这种技术，我们必须更加深入地回溯到时间上。
The classic superheroes like spiderman or superman date back to many decades ago 象蜘蛛侠或超人这类传统超级英雄可以回溯到好几十年前。
In contrast , the training of soldiers dates back thousands of years at the very least 与之相比，士兵的训练可以回溯到几千年前（最保守估计） 。
The main representatives are rousseau ' s " natural education " and dewey ' s " activity curriculum " 综合实践活动课程可以回溯到卢梭的“自然教育”及杜威的“活动课程” 。
A three - story pyramid dating 5000 years back has been discovered in north china ' s inner mongolia autonomous region 一个发现于中国内蒙古自治区的三层金字塔可以回溯到5000年前。
Most of the recent mistakes can be traced back not just to flawed execution but to flawed thinking 近期出现的大多数的错误都可以回溯到漏洞百出的执行过程以及存有缺陷的思维方式。
To understand this , we must go back in time , to over 300 years ago , when africans first began to arrive in america 为了理解这一点，我们必须回溯到300多年前，非洲人刚开始来到美国的时候。
Regardless of the syntax you choose , you trace the structure from the concrete schema patterns to the abstract pattern as in 无论选择什么语法，都可以把这种结构从具体的模式范式回溯到抽象范式（参见
Using the technique of radiocarbon dating , they all agreed that the cloth dated to the 13th or 14th century ( 1260 to 1390 ) 他们使用放射性碳年代测定法，都同意布料是回溯到十三或十四世纪（ 1260年到1390年） 。
