扁平化卡通风科技教学科研元素

Low-saturation flat minimalist educational technology icons on white background, soft muted color palette with maximum two colors per icon, pixel-perfect vector style, interactive whiteboard with pen in sage green and light gray frame, tablet with stylus in muted mint and cream, VR headset for learning in soft seafoam and off-white, educational robot in dusty green and light gray, 3D printer with model in muted moss and sand, coding robot with blocks in soft celadon and cream, smartboard with touch in dusty sage and light beige, digital microscope in muted pistachio and gray, language translator in soft mint and cream, nine icons evenly distributed in three rows and three columns, clean geometric shapes with harmonious low-saturation palette, no facial expressions, pure minimalist edtech representation.