date back是正式的英语短语，意思是“回溯至”，而track back可以理解为“走回”，一般不用来表示回溯到。
date back
释义：追溯到；回溯至
例句：
1、The international collaboration found that A(H1N1) is made up of genes from flu viruses seen in birds, humans and pigs — and parts of its genetic make-up date back to the 1918 influenza pandemic.
这项国际合作研究发现甲型H1N1流感是由来自鸟类、人类和猪的流感病毒基因组成的——而且其部分基因构成可以追溯到1918年流感大流行。
2、Many academic institutions in India — some of which are very strong — date back to the Britishdays.
印度的许多学术机构——其中一些实力很强——可以追溯到英国统治时期。
3、In fact, crop circles only date back about 30 years.
事实上，麦田怪圈的历史仅追溯到30年前。
track back
释义：n. 引用；引用通知
例句：
1、Secondly, track back to the history of East-Turkestan's evolution.
其次，追溯了“东突”演变的历史。
2、He's more willing than most forwards to track back and help out — perhaps too enthusiastic.
他比大部分前锋的回防意识更强，也许是过强了。
3、A forward who likes to track back and help out the defence.
喜欢经常回撤帮助防守的前锋球员。
datang1201
