Methods: The fingerprint patterns of 60 twins were examined by means of genetic epidemiologic methods.

方法：利用遗传流行病学方法研究济宁市区60对双生子的指纹纹型。

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The conventional methods are meant to bring out fingerprint patterns with regular light and they have to treat those with powder, which alters them.

传统的方法是通过常规光线使指纹显示出来，而且要借助粉末等物质，这会改变指纹保存状况。

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"The conventional methods are meant to bring out fingerprint patterns with regular light and they have to treat those with powder, which alters them," Worley said.

Worley说，传统的方法是利用规则光来显示指纹图案，但是那样必须用粉末来处理，而这会改变指纹。

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Already in use in the banking sector in Japan, these scanners are thought to be more accurate than fingerprinting since a person's fingerprint alters in childhood whilst palm and finger vein patterns remain unchanged from the womb.

CNN: Fully biometric airports becoming a reality

Using software similar to fingerprint-matching technology, the snaps of the shark's spot patterns are compared to see if it has previously been photographed or is a new find.

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