Reason 5: Has blue-green, rotund, and semi-crystal keys. What's more, the left and right function keys and the navigationkey combined form the head of cute Mickey.
Due to the application of visual navigation technology is becoming more and more popular, and therefore, it is necessary to study visual navigationkey technologies and applications.
由于视觉导航技术的应用越来越普及，因此，有必要对视觉导航中的关键技术及应用进行研究。
3
This example illustrates three key features of faceted navigation