英语词汇“prototype kilogram”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

b. More fully prototype kilogram, standard kilogram, etc. An object having a mass of one kilogram and constructed to serve as a standard of mass or weight.

ΘΚΠ

the world > relative properties > measurement > measurement by weighing > [noun] > unit or denomination of weight > metric gram(me) > kilogram > object made as standard

kilogram1831

1831 Jrnl. Royal Inst. Great Brit. 2 65 The rather unsightly appearance of the standard kilogramme of Monsieur Fortin's making.

1856 Philos. Trans. (Royal Soc.) 146 878 The kilogramme, after having been washed with alcohol, was suspended from the right-hand pan of the balance.

1936 Rep. Board of Trade Standards Dept. Comparisons Imperial Standards 3 The opportunity was..taken to undertake..the comparison of the national copy of the kilogram with the principal standard kilograms of the Board of Trade.

2014 Clinica Chimica Acta 432 50/2 The prototype kilogram (a cylinder made of a platinum-iridium alloy) is maintained by the Bureau International des Poids et Mésures.

单词	prototype kilogram
释义	> as lemmas prototype kilogram b. More fully prototype kilogram, standard kilogram, etc. An object having a mass of one kilogram and constructed to serve as a standard of mass or weight. ΘΚΠ the world > relative properties > measurement > measurement by weighing > [noun] > unit or denomination of weight > metric gram(me) > kilogram > object made as standard kilogram1831 1831 Jrnl. Royal Inst. Great Brit. 2 65 The rather unsightly appearance of the standard kilogramme of Monsieur Fortin's making. 1856 Philos. Trans. (Royal Soc.) 146 878 The kilogramme, after having been washed with alcohol, was suspended from the right-hand pan of the balance. 1936 Rep. Board of Trade Standards Dept. Comparisons Imperial Standards 3 The opportunity was..taken to undertake..the comparison of the national copy of the kilogram with the principal standard kilograms of the Board of Trade. 2014 Clinica Chimica Acta 432 50/2 The prototype kilogram (a cylinder made of a platinum-iridium alloy) is maintained by the Bureau International des Poids et Mésures. extracted from kilogramn. < as lemmas
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> as lemmas