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edX is a non-profit online education project co-founded by Harvard University and Massachusetts Institute of Technology.
edX is a mission driven organization, committed to transforming traditional education, removing the barriers of cost, location and access. edX offers MOOCs and interactive online classes in subjects including law, history, science, engineering, business, social sciences, computer science, public health, and artificial intelligence (AI).
EDX是借助于分析试样发出的元素特征X射线波长和强度实现的， 根据不同元素特征X射线波长的不同来测定试样所含的元素。 通过对比不同元素谱线的强度可以测定试样中元素的含量。
edX是一个由麻省理工学院和哈佛大学创建的大规模开放在线课堂平台。 它给大众提供大学教育水平的在线课堂及 微碩士 學位。 两所大学在这个 非营利性 计划各资助三千万美元。
Online courses from Harvard University. Harvard University is devoted to excellence in teaching, learning, and research, and to developing leaders in many disciplines who make a difference globally. Harvard faculty are engaged with teaching and research to push the boundaries of human knowledge.
Browse online courses in education to grow your knowledge or career. Use a variety of courses to begin your journey to becoming an educator.
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