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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-phenyl-4,5-dihydroxy-methylimidazole
2-phenylbenzimidazole
2-phenylbenzothiazole
2-phenylchromone; flavone
2-phenylhydracrylic acid
2-phenylpropanoyl {hydratropoyl}
2-phenylpropionic acid; α-phenylpropionic acid
2-phenylpropyl alcohol
2-phenylpyridine
2-phenylquinoline
2-picoline
2-picoline-4,6-dicarboxylic acid
2.Pinus ponderosa， Laws.
2-pipecoline
2-piperidone
2-plate mold
2-ply
2-p-menthanol carvomenthol
2-p-menthanol; carvomenthol
2-point CDV
2 port
2-port
2-propanol; isopropyl alcohol
2-propanol nitrate; 2-propyl nitrate
2-propanol nitrite; 2-propyl nitrite
2-propanone;acetone
2-propanone; acetone
2-propen-1-ol; allyl alcohol
2-propene-1-thiol
2-propenoic acid; acrylic acid
2-propenoic acid ethyl ester
2-propenoxybenzene
2-propenylacrylic acid; sorbic acid
2-propenylpropanedioic acid; allylmalonic acid
2-propylpyridine
2-propyn-1-ol
2-propynyl acetate
2-propynyl {propargyl}
2-(p-tolyl)ethanol
2-purpose overhead crane
2-pyrazoline
2-pyridinamine; 2-aminopyridine
2-pyridinecarbonyl {2-pyridylcarbonyl; nicotinoyl}
2-pyridinecarboxylic acid
2-pyridol
2-pyridone
2-pyridylcarbonyl
2-pyrrolidone
2-quinolinecarboxylic acid
2-quinolinol
2-salicylylresorcinol; 2,2',6-trihydroxy-benzophenone
2's complement
2. (Sequoia sempervirens， Endl.)
(2)Shorea negrosensis， Foxw.
2.Spiraea thunbergii， Sieb.
2-srtand double crossing over
2-tert-butylhydroquinone
2-tetradecene
2-tetradecyne
2-thienol
2-thienylacetic acid; 2-thiophene acetic acid
2-thienylboric acid
2-thienylcarbinol; 2-thiophenecarbinol
2-thienylglyoxylic acid
2-thiopheneacetic acid
2-thiophenecarbinal oxime; 2-thiophenemethanal oxime
2-thiophenecarbinal phenylhydrazone; 2-thiophenemethanal phenylhydrazone
2-thiophenecarboxylic acid; 2-thiophenic acid
2-thiophenesulfonamide
2-thiophenine
2-thiophenylboric acid
2-thiotolene; 2-methylthiophene
2-thiouracil
2-thioylformic acid; α-oxo-2-thiophenacetic acid
2-tier architecture
2-toluenearsonic acid
2-tree
2-tridecanone
2-trifluoromethyl-benzladehyde
2-trifluoromethylbenzoyl chloride
2-tropidinecarboxylic acid
2-undecanol
2-undecanone
2-undecyl imidazole
2-vinyl pyridine
2-wire normal quality
2x1斜纹组织
2x1斜纹组织
2x1梭箱织机
2x1梭箱织机
(2-x) 氧化矽垫
(2-x) 氧化矽垫
2×2 direct mapping
2×2MIMO
2 × 2列联表的费雪精准检定
2 × 2列联表的费雪精准检定
2×2 多输入多输出
2×2 多输入多输出
2×2 直接映射
2-α-acetoxycholestane-3-one
2-α-乙醯氧胆甾烷-3-酮
2-α-乙醯氧胆甾烷-3-酮
2β,3α-dibromocholestane
2β,3α-二溴胆甾烷
2β,3α-二溴胆甾烷
2-(β-butoxyethoxy)ethanol; diethylene glycol monobutyl ether
2-(β-ethoxyethoxy)ethanol; diethylene glycol monoethyl ether
2-(β-methoxyethoxy)-ethanol; diethylene glycol monomethyl ether
2-(β-丁氧乙氧)乙醇
2-(β-乙氧乙氧)乙醇
2-(β-甲氧乙氧)乙醇
2π/4π ionization chamber
2π/4π radiation detector
2π/4π 电离室
2π/4π 辐射探测器
2π/4π 辐射探测器
2π/4π 电离室
2π counter
2π radiation detector
2π计数器
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