With so much great open source software out there, it's wonderful that various robot software frameworks can build on each other's strengths rather than forcing users to choose between them.
有了众多的开源软件之后，各种机器人框架就可以在彼此的优势基础之上进行开发，而不是让用户二选一。
2
By forcing a timing reacquire, the front end block resets and "hunts" for a video signal, thus ensuring the speedy locking to a new video source.
通过强制再获取时序，前端模块复位并搜索视频信号，从而确保迅速锁定新的视频源。
3
The frequency modulation effects of positive dipole (unipole) forcingsource on LFO is stronger than negative dipole (unipole), and the wave oscillation quicken evidently.