我学习如何在五秒钟内开锁。

I learned how to pick a lock in just five seconds.

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如果将字母珠分开我们很有可能在外珠的内孔中发现开锁痕迹。

If we separate the pins, we would also probably find picking marks on the inside chamber of the outer pin.

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方法制作内凹齿钥匙正常开锁和被钥匙机复制后的样本，用光学显微镜拍照固定痕迹特征。

Method Samples of manipulated keys and keys that used as guide in a duplication process are made. Marks and striations on the keys are photographed and analyzed by light microscopy.

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结果内凹齿钥匙开锁痕迹特征明显，且被钥匙机复制后能留下复制痕迹。

Result There are distinctive marks on concave keys when normally used and when used as guide keys.

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结果内凹齿钥匙开锁痕迹特征明显，且被钥匙机复制后能留下复制痕迹。

Result There are distinctive marks on concave keys when normally used and when used as guide keys.

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