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system of orthonormal functions
system of orthonormal polynomials
system of ownership of the means of production
system of paid use of natural resources
system of parabolic equations
system of parabolic equations; parabolic system
system of parabolic partial differential equations
system of parallel forces
system of parameters
system of partial differential equations
system of particles
system of periods
system of Pfaffian equations
system of points
system of polar coordinates
system of polynomial equations
system of polynomials
System of Positive Polity
system of powers
system of production and construction corps
system of psychology
system of quadratic equations
system of quantities
system of quasigroups
system of quasi-linear hyrerbolic equations
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。
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