在空三加密过程中，由于人为因素、地物的复杂性、植被及遮盖物等引起的加密点粗差；

In Geolord-AT three-dimensional triangulation process, artificial factors, complexity of surface feature , vegetation and so on cause the encrypted dot rude difference.

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实现这一点的一种常用机制是使用ssl加密。

A common mechanism for this is the use of SSL encryption.

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在这个例子中，如果db 2admin用户访问保护点，那么将在写入时加密数据，在读取时解密数据。

In this example, if the db2admin user accesses the guard point, data is encrypted when writing, and data is decrypted when reading.

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