Plant protection is an important segment to guaranteeing fertility and good harvest in agriculture, and its equipment is an indispensable tool to realize the target.
植物保护是保证农业丰产丰收的重要环节，而植物保护机械则是实现这一目的必不可少的生产工具。
2
Safety protection technique is the most important segment of train control system.
安全防护技术是列控系统的重要环节。
3
This paper presents an audio watermarking method in DCT based on "segment classification", which can be used to copyright protection of audio information.