扁平化简约风圆形功能图标矢量元素

minimalist icon design, black and white color scheme, multiple circular icons, each with different symbols or patterns, thin line outlines, some icons contain text like 'EAC', 'CE', sans-serif font, black text, moderate size, icons arranged in a 4x5 grid, pure white background, clear and concise visual effect, easy to recognize, professional and standardized information,Natural light illuminates the scene and enhances natural colors. The image looks like it was taken with a Canon EOS 5D Mark IV camera equipped with a Canon EF 50mm f/1.4 USM lens, f/2.8 aperture, ISO 100, and 1/100 second zoom,chinese