the topic of the day meaning in English

当前最受人注意的问题, 话题

The visual inspection technology , which can extraordinarily reduce the inspection cost , greatly speed up of development and raise the efficiency of production , has become the topic of the day in the industrial online inspection in recent years which is widely used in the field of industrial inspection
视觉检测技术在工业在线检测中的应用是近年来的研究热点之一,它可以大幅降低检测成本,提高生产速度和效率,因而在工业检测和控制领域得到了广泛的应用。