gold digital currency- Top Reviews

1. UAV: the eye of the air in coastal defense and frontier defense.2. Security and confidentiality issues2. Task execution in dangerous environment

3. Efficient logistics support needsSecond, the meeting point between the needs of coastal defense islands and border defense and unmanned technology2. Task execution in dangerous environment

3. Efficient logistics support needs1. Monitoring requirements in a wide areaUnmanned science and technology: a new boost to coastal defense islands and border defense.