我学习如何在五秒钟内开锁。
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.
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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