1.The following chapters, written by experts in their elds, highlight the state-of-the-art in several aspects of image and video processing.
楼上是翻译软件搞的，不好下面由相关领域专家撰写的章节，突出了几个方面的图像和视频处理所达到的程度。
2.Such concerns frequently underpin domestic regulation in elds of consumer safety and environmental health.
这种担忧在消费者经常巩固安全和环境卫生电致发光显示国内法规。
3.PIPE W ELDS: EXTENT OF EXAMINATION
管道焊接：检验范围