Educator pointing during live virtual lesson with students on video call. Factory emissions and researcher with magnifying glass. Ideal for remote education, environment, sustainability, analysis图片
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Educator pointing during live virtual lesson with students on video call. Factory emissions and researcher with magnifying glass. Ideal for remote education, environment, sustainability, analysis
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隐喻演示文稿教师教学向量扁平污染通信黑色在线学习排放屏幕web插图协作可持续性研究环境远程学生概念虚拟团队合作勘探业务行业指点调查研究培训图标技术简单分析教育说明书相互作用工厂认知蓝色发现科学摘要