currency schemes, snippets

3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.2. Security and confidentiality issues2. Security and confidentiality issues

Unmanned technology: coastal defense, islands and frontier defense's new help to defend the motherland.2. Unmanned driving: an intelligent helper for land and sea transportation1. Monitoring requirements in a wide area

2. Security and confidentiality issuesFirst, the frontier development and multiple capabilities of unmanned technology2. Unmanned driving: an intelligent helper for land and sea transportation