英语词汇metallicity的翻译、用法及例句-MX2U.com英汉词典

metallicity

noun [ C or U ] physics specialized uk/ˌmet.əlˈɪ.sə.ti/ us/ˌmet̬.əlˈɪ.sə.t̬i/

金属量（星体内除氢和氦元素外其他化学元素的比例）

the amount of material that is not helium or hydrogen in a star, planet, etc.

20 to 30% of sun-like stars with large metallicities are known to have planets. 已知有20%到30%的具有大金属丰度的类太阳恒星都有自己的行星。

Compared to the Sun, 47 Tucanae has less than a third the metallicity. 与太阳相比，杜鹃座47的金属丰度不到1/3。

The greater a star's metallicity, the better its chances to have planets.
If the metallicity is too low, there is not enough material to build Earth-like planets.
The process can make planets with enriched metallicities as seen in our own solar system.

词汇	metallicity
释义	metallicity noun [ C or U ] physics specialized uk/ˌmet.əlˈɪ.sə.ti/ us/ˌmet̬.əlˈɪ.sə.t̬i/ 金属量（星体内除氢和氦元素外其他化学元素的比例） the amount of material that is not helium or hydrogen in a star, planet, etc. 20 to 30% of sun-like stars with large metallicities are known to have planets. 已知有20%到30%的具有大金属丰度的类太阳恒星都有自己的行星。 Compared to the Sun, 47 Tucanae has less than a third the metallicity. 与太阳相比，杜鹃座47的金属丰度不到1/3。更多例句 The greater a star's metallicity, the better its chances to have planets. If the metallicity is too low, there is not enough material to build Earth-like planets. The process can make planets with enriched metallicities as seen in our own solar system.
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