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科学时代收录了1160609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。

second degree second-degree price discrimination second-delay blasting cap second deliverance second delivery
second delivery second derivative second derivative second derivative spectroscopy second difference
second divided difference second double page spread (2nd DPS) second dual second economy second economy
second education second electron emission second electroviscous effect second elliptic umbilic second emission
second engineer Second Epistle of John Second Epistle of Peter second equation of Maxwell seconder
Second Estate second factor second figure of a categorical syllogism second filial generation second fixing
second focal length second forbidden spectrum Second Front second front second front page
second future second-generation product second-generation shopping agent Second German Sound Shift second grade
second-grader second growth Second Gulf War second Gâteaux differential second-hand
secondhand second-hand bookseller second-hand bookshop second-hand data collection secondhand packing
second harmonic second harmonic band second harmonic generation second harmonic modulator second harmonic (SH)
second home second home second hyperbolic umbilic second industrial revolution second industrial revolution
second infinitive second integral second intention second intermediate host Second Intermediate Period
Second International Second International second inversion second ionization potential second killing
second language second language second language second language second language acquisition
second language acquisition second language learning second language--second language(L2) second language teacher second language(L2)
second law efficiency second law of thermodynamics second law of thermodynamics second law of thermodynamics second law of thermodynamics
second law of thermodynamics second length second-level cache second-level domain second-level heading
second level message second level of description second lien second lien second lieutenant
second limit theorem second line second line of the couplet second-line stock second market
second mate second maxillae second mean value theorem second meiotic metaphase second messenger hypothesis
second mining second moment Second Moroccan Crisis second mortgage second mortgage
second mortgage second-mover strategy second nature Second New England School,the second Newtonian zone
second normal form second normal-stress coefficient second normal-stress difference secondo second of arc
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