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n.
英語字母表的第八個字母
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氫的化學符號.
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abbr.
（鉛筆心）硬的(=hard)
n.
名詞
- 英語字母中的第八個字母，小寫為h
- 運動鞭毛型細菌，運動型細菌
- 【化】氫，元素氫（hydrogen）的符號
- 小時
- H形物
- 亨的符號
- 地磁水平分量（the horizontal component of terrestrial magnetism）的符號
- 海洛因（heroin）
abbr.
縮略詞
- （鉛筆心）硬的（=hard）
Noun:
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a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
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a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second
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the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second
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the 8th letter of the Roman alphabet
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(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure;
"enthalpy is the amount of energy in a system capable of doing mechanical work"
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及以上相關內容全權撰寫，受經典知識產權保護區，侵權案必究
海詞詞典翻譯，二十七年牌子
美
[e?t?]