“ultrahigh vacuum”的概念、定义、翻译、参考文献-科学参考

单词	ultrahigh vacuum
释义	ultrahigh vacuum [¦ǝl·trǝ`hī `vak·yǝm] ^PHYSICS A vacuum in which the pressure is of the order of 10^-10 millimeter of mercury or less.
随便看	hematoxylon hematuria heme hemeralopia hemerythrin heme synthetase hem-, hema-, hemo-, haem- hemi- hemiacetal hemianesthesia hemianopsia Hemiascomycetes Hemiascomycetidae hemiazygous vein hemiballismus Hemibasidiomycetes hemicellulose hemicephaly Hemichordata Hemicidaridae Hemicidaroida hemic murmur hemicolectomy hemicone hemicryptophyte

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