Fingerprint identification has been one of the most effective methods on personal identification from long time ago due to fingerprints' uniqueness and invariance.
由于指纹具有唯一性和不变性，长期以来指纹识别一直是个人身份识别最有效的方法之一。
The custom of ascending a height to avoid epidemics was passed down from long time ago. Therefore, the Double Ninth Festival is also called "Height Ascending Festival".
登高来避灾去难的习俗由来已久，所以重阳节也叫做登高节。
The custom of ascending a height to avoid epidemics was passed down from long time ago. Therefore, the Double Ninth Festival is also called "Height Ascending Festival".
在古代，民间在重阳有登高的风俗，故重阳节又叫“登高节”。相传此风俗始于东汉。
From long time ago, because of reasons such as high mining cost, there are many limitations for the development of domestic ore mining.
一直以来，我国国产矿石因为开采成本大等原因，其开发一直受到制约。
From long time ago, because of reasons such as high mining cost, there are many limitations for the development of domestic ore mining.
一直以来，我国国产矿石因为开采成本大等原因，其开发一直受到制约。
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