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長度單位毫米mm,英文全稱為millimeter,其英文讀音為['m?l??mi:t?]? 或者 ['m?l??mit?] 。3.14m用英文讀讀作 three point one four meters。
mm為常用得的長度單位。其它國際單位是“米”(符號“m”),常用單位有毫米(mm)、厘米(cm)、分米(dm)、千米(km)、米(m)、微米(μm)、納米(nm)等等。長度單位在各個領(lǐng)域都有重要的作用。
長度關(guān)系換算:
1km=1000m=10000dm=100000cm=1 000 000mm
1mm=1 000μm=1 000 000nm
擴展資料:
千米km英文全稱:kilometer
米m英文全稱英文:meter
分米dm英文全稱:decimetre
厘米cm英文全稱:centimetre
微米μm英文全稱:micrometre
納米nm英文全稱:nanometer
參考資料:百度百科——毫米
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lengthNOUN1★?[uncountable?,??countable?]?the size or measurement of sth from one end to the other長;長度◆?This room is twice the length of the kitchen.這個房間的長度是廚房的兩倍。◆?The river is 300 miles?in length.?這條河長 300 英里。◆?The snake usually reaches a length of 100?cm.?蛇一般長達 100 厘米?!?He ran the entire length of the beach?(= from one end to the other).?他從海灘一頭跑到另一頭?!?Did you see the length of his hair??你看見他頭發(fā)有多長嗎?2★?[uncountable?,??countable?]?the amount of time that sth lasts?(持續(xù))時間的長短◆?We discussed shortening the length of the course.?我們就縮短這門課程的時間進行了討論?!?He was disgusted at?the length of timehe had to wait.?他非常討厭要等那么長時間?!?She got a headache if she had to read?for any length of time?(= for a long time).?她讀書時間長了就頭疼?!?Size of pension depends partly on length of service with the company.?退休金的多少部份取決于為公司服務(wù)時間的長短?!?Each class is 45 minutes?in length.?每一節(jié)課為 45 分鐘。
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