來源:本站原創(chuàng) 2018-05-15 22:12:59
1nm=10-9m,1mm=10-3m,1cm=10-2m;1dm=0.1m,1Km=103m,1h=3600s,1min=60s
1Kwh=3.6106J.1Km/h=5/18m/s=1/3.6m/s,1g/cm3=103Kg/m3,1cm2=10-4m2,
1cm3=1mL=10-6m3,1dm3=1L=10-3m3,
詞冠:m毫(10-3),μ微(10-6),K千(103),M兆(106)
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