[1] A New Front-End Methodology: BEM | Smashing Coding ( (7/11/2013, 10:47:00 PM 版)) <http://coding.smashingmagazine.com/2012/04/16/a-new-front-end-methodology-bem/>
[2] Methodology / BEM ( (2/2/2017, 12:32:35 PM)) <https://en.bem.info/methodology/>
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