hf
- abbr. 高频（high frequency），尤指 3 至 30 MHz 的无线电频段；氟化氢（hydrogen fluoride），其水溶液为氢氟酸；（医学）心力衰竭（heart failure）；哈特里-福克（Hartree–Fock）方法；一半，二分之一（half）；（非正式）玩得开心（have fun）；无危险的（hazard-free）；测高（height finding）
- symb. 铪（hafnium，元素符号 Hf，原子序数 72）
网络释义英英释义
hf
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n.
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a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
同义词： hafnium atomic number 72
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3 to 30 megahertz
同义词： high frequency
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a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
以上来源于: WordNet
双语例句原声例句权威例句
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The first hyperpolarizability is studied at HF/6-31G level by coupled perturbed Hartree-Fock (CPHF) method.
采用耦合微扰（CPHF）方法在 HF/6-31G 水平上对巴比妥酸衍生物的第一超极化率进行了计算。
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Another bill (HF 1640) would require the companies to fund state-employed pharmaceutical experts to provide clinicians with the latest evidence-based prescribing information.
另一项议案(HF 1640)规定制药公司给受雇于国家的医药专家提供经费，为临床医师提供最新确证的处方信息。
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It is possible that Kr and Ar could also act as Lewis bases, but evidently they cannot compete with HF.
很可能氪和氩也可以做路易斯碱，但显然它们不能和氟化氢竞争。
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Well, if we wanted to draw that, we have HF, whoops --It looks something like that.
如果我们想画他，哎呀，它看起来有点像那个某个东西。
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And so this is the H-F bond in HF.
所以这是氟化氢中的氢氟共价键。
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