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| English | Russian |
| firewall traversal | обход брандмауэра (A technology that provides secure pathways through a firewall and enables multiple data streams to pass thru the firewall on the same port (e.g., audio and video data on the same port)) |
| pre-order traversal | обход в прямом порядке (The act of recursively traversing a non-empty binary tree by visiting the root node first, then the left subtree, then the right subtree) |