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米制系统的重要性何在？-Matt Anticole
6,249,207 views |
Matt Anticole |
TED-Ed
• July 2016
Read transcript
观看完整的课程：http://ed.ted.com/lessons/why-the-metric-system-matters-matt-anticole 在大部分有记载可循的人类历史中，度量单位-比如一粒谷物的重量，或者一只手的长度-都不是精确的。如今，一致的度量标准对于我们的日常生活已经如此的根深蒂固，我们很容易忽略它们是人类史上面多么重大的成就。
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