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

isopor n.

Brit.

/ˈʌɪsə(ʊ)pɔː/

U.S.

/ˈaɪsəˌpɔr/

[ < Greek πόρος passage, way] a line (either imaginary or on a map) connecting points at which equal annual changes in some parameter of the earth's magnetic field are observed.

ΘΚΠ

the world > the earth > earth sciences > geography > map-making > map > [noun] > line on map > magnetism

isomagnetic1898

isopor1931

1931 Compt. Rend. de l'Assemb. de Stockholm 1930 (Union Géod. et Géophys. Internat., Sect. de Magn. et Électr. Terr.) 284 In that year the zero-isopor (the line dividing easterly and westerly change) crossed central Siberia.

1963 J. A. Jacobs Earth's Core v. 53 Considerable changes take place in the general distribution of isopors even within 20 years.

单词	isopor
释义	> as lemmas isopor isopor n. Brit. /ˈʌɪsə(ʊ)pɔː/ , U.S. /ˈaɪsəˌpɔr/ [ < Greek πόρος passage, way] a line (either imaginary or on a map) connecting points at which equal annual changes in some parameter of the earth's magnetic field are observed. ΘΚΠ the world > the earth > earth sciences > geography > map-making > map > [noun] > line on map > magnetism isomagnetic1898 isopor1931 1931 Compt. Rend. de l'Assemb. de Stockholm 1930 (Union Géod. et Géophys. Internat., Sect. de Magn. et Électr. Terr.) 284 In that year the zero-isopor (the line dividing easterly and westerly change) crossed central Siberia. 1963 J. A. Jacobs Earth's Core v. 53 Considerable changes take place in the general distribution of isopors even within 20 years. extracted from iso-comb. form < as lemmas
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> as lemmas