所有科技知识-科学参考

科学参考收录了1248194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。

principal crystallographic axis	principal cubic root	principal currency	principal current	principal curvature
principal curvature of a surface	principal curvatures	principal curve	principal customer	principal cutting movement
principal defecation	principal deformation	principal degree	principal derivative	principal diagonal
principal diagonal polynomial	principal dielectric constants	principal dimensions	principal direction	principal direction of curvature
principal disease	principal distribution function	principal divisor	principal edition	principal element
principal elliptic term	principal elongation	principal equation of gravimetric geodesy	principal exponent	principal extension ratio
principal factor method	principal-factor solution	principal fault	principal feedback	principal felling
principal fermentation	principal fiber	principal fiber bundle	principal floor	principal focal distance
principal focus	principal fold	principal food	principal force	principal fractional ideal
principal front	principal fuel supply	principal function	principal ga(u)ge	principal generating rule
principal genus	principal group	principal half-space	principal horizontal line	principal horizontal stress
principal host	principal hydrolysis	principal ideal	principal ideal class	principal ideal domain
principal ideal integral domain	principal ideal minor ring	principal ideal ring	principal ideal theorem	principal idempotent
principal image components	principal indication	principal industrial products	principal invariant of tensor	principal inverse function
principal item	principal jet	principal lateral aberration	principal lateral deflection (高射炮射击)	principal leaf
principal length	principal linkage	principal lithologic unit	principal lobe	principal longitudinal aberration
principal machine	principal mapping	principal mark	principal matrix	principal maximum
principal mechanical components	principal meridian	principal meridian of gnomonic chart	principal minimum	principal mining level
principal minor	principal mode	principal-mode excitation	principal mode of vibration	principal moment of inertia
principal moments	principal moments of inertia	principal motion	principal moulding	principal nilpotent element
principal norm	principal normal	principal normal form	principal normal section	principal note
principal nutation	principal optic axis	principal orbit	principal order	principal order module
principal orientation direction	principal orthogonal system	principal oscillation	principal parallel	principal parameters
principal part	principal particulars	principal part of a differential operator	principal path	principal pathway
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