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科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

periglacial landform periglomerular cell perigon perigon angle perigonial bract
perigonium perigynous flower perihelic conjunction perihelic opposition perihelion
perihelion distance perihelion effect perihelion motion perihelion passage perihelion precession
perihelion precession of Mercury perihelion precession of planet perihelion precession of planets perihelion time peri-implant diseases
peri-implantitis peri-implant mucositis perijove perikaryon peril
perilemma perilla fruit perilla leaf perilune perilymph
perilymph fistula perimartian perimedullary region perimedullary zone perimenstral bleeding from nose or mouth,retrograde menstruation
perimercurian perimeristem perimeter perimeter polynomial perimetric levee of Taihu lake
perimetrium perimetry perimidine Perim Island perimysium
perinatal health care perinatal medicine perineal central tendon perinephritis perineum
perineurium perinium perinuclear factor autoantibodies perinucleolar Period
period period-age relation period-amplitude relation period analysis period and date
periodate oxidation periodate titration period basis period boundary condition period change
period-color relation period conjecture period-density relation period determination period discontinuity
period domain period doubling period doubling bifurcation period-doubling bifurcation period-eccentricity
period expense of books period gap period group period health examination periodic
periodic acid periodic acid-Schiff reaction periodic acid-Schiff reaction (PAS reaction) periodical periodical bibliography
periodical changes of endometrium periodical cicada periodical layout design periodically correlated periodically poled silica fiber
periodical potential Periodical Publishers Association periodicals of ethnic medicine periodicals of traditional Chinese medicine periodic arrangement
periodic attractor periodic automorphism periodic behavior periodic boundary condition periodic boundary conditions
periodic boundary value problem periodic coefficient periodic cohomology periodic comet periodic component
periodic condition periodic continuation periodic continued fraction periodic copolymer periodic cracks of extruded product
periodic curve periodic decimal periodic diffeomorphism periodic differential equation periodic distribution
periodic distribution function periodic dynamical system periodic electrostatic focusing periodic element periodic error
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