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科学时代收录了3405121条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。
2-methyl-1-pentene
2-methyl-1-phenoxy-propane
2-methyl-1-phenylpropane
2-methyl-1-propanol; isobutyl alcohol
2-methyl-2,4-pentanediol
2-methyl-2-butanethiol; tert-amylthiol
2-methyl-2-heptanol
2-methyl-2-hexanol
2-methyl-2-imidazoline
2-methyl-2-nitro-1-propanol
2-methyl-2-propanol; tert-butyl alcohol
2-methyl-2-propylethanol; 2-methyl-1-pentanol
2-methyl-3-ethylpentane
2-methyl-3-furancarboxylic acid
2-methyl-3-methylene-pentane; 2-ethyl-3-methyl-1-butene
2-methyl-3-pentanone
2-methyl-3-phytyl-1,4-naphthoquinone; phylloquinone; vitamin K1
2-methyl-4-penten-2-ol
2-methyl-4-quinolinol
2-methyl-5-isopropylphenol
2-methyl-5-phenyl-thiophene
2-methylallyl alcohol; methallyl alcohol
2-methylamino-1-phenyl-1-propanol; pseudoephedrine
2-methylaminoethanol; N-methylethanolamine
2-methylanthraquinone
2-methyl-benzo[h]-quinoline
2-methylbenzothiazole
2-methylbenzoxazole
2-methylcyclohexanone
2-methylfuran
2-methylguanosine
2-methylheptane
2-methylhexane; isoheptane
2-methylhydroquinone
2-methylmalic acid
2-methylnonane; isodecane
2-methyloctane; isononane
2-methyloctyl glycidyl ether
2-methylpentane
2-methylphenazine
2-methylpropanal
2-methylpropanamide; isobutyramide
2-methylpropane
2-methylpropanenitrile
2-methylpropanoic acid; isobutyric acid
2-methylpropene; isobutylene
2-methylpropenoyl {methacryloyl}
2-methylpyrazine
2-methylpyridine; α-picoline
2-methylquinoline; quinaldine
2-methylthiophene
2-methylvaleric acid
2-m-fluorophenylethyl-amine
2-(morpholinothio)benzo-thiazole
2MPEG-audio layer 3
2MPEG声频层 3
2MPEG声频层 3
2 M分歧器
2M型矽灰石
2M铬矽云母
2M铬矽云母
2-naphthalenethiol
2-naphthoic acid; β-naphthoic acid
2-naphthol-6,8-disulfonic acid
2-naphthol-6-sulfonic acid; Schaffer's β-acid
2-naphthol-8-sulfonic acid; Bayer's acid
2-naphthol; β-naphthol
2-naphthylamine
2-naphthylamine-6,8-disulfonic acid
2-naphthylamine-6-sulfonic acid
2-naphthylamine hydrochloride
2nd brain ventricle
2nd engineer
2nd flight
2nd Generation Wireless
2nd Mate; second mate; second officer
2nd order parabolic interpolation
2nd-order parabolic interpolation
2nd-order reference model
2nd-order wave forces
2%Ni
2-nitro-1,3-dihydroxy-benzene
2-nitro-3-hydroxybenzoic acid
2-nitroethanol
2-nitrofluorene
2-nitrofuran
2-nitro-p-cymene
2-nitro-p-phenetidine
2-nitro-p-xylene
2-nitrothiophene
2%Ni｝
2-nonanol
2-(o-chlorophenyl)ethyl bromide
2-octanone
2-octylene
2-octyl methyl ether
2-octynoic acid methyl ester
2 on 1
2-oxazolidone
2-oxopropanal-1-oxime; pyruvaldoxime
2-oxopropanal; methyl glyoxal
2-oxopropanenitrile
2 pages
2-p-aminophenyllepidine; flavaniline
2%Pb
2%Pb｝
2-pentadecanol
2-pentanone
2-pentanone; methyl propyl ketone
2-pentanone oxime
2-penten-4-ynyl
2-pentene
2-pentine; 2-pentyne
2-pentyl-3-methyl-2-cyclopentene-1-one; dihydrojasmone
2-phenanthrol
2-phenanthrylamine
2-phenoxyethanol
2-phenoxypropane
2-phenyl-1,1-ethylene dicarboxylic acid; benzylidenemalonic acid
2-phenyl-2-butene
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