spot spray meaning in Chinese

点喷射
点射

Aim at alleviating the environment pollution which is caused by applying herbicide in weed protection , this paper used computer vision to identify weed from corn seedling , and to find out the position and growing state of weed . accordingly it can provide theory and technology support for automation of spot spraying herbicide during corn seedling stage
针对目前我国在杂草防治上主要靠大面积喷洒化学除草剂而带来的环境污染问题，应用计算机视觉技术来识别玉米苗期田间杂草并确定杂草的位置和生长状况，从而为玉米苗期田间精确喷洒除草剂的自动化作业提供理论与技术支持。