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自然系统
释义
自然系统
Encyclopedia
理学
系统学
释
natural system
自然系统
以天然物为要素,由自然力作用所形成的系统。又称天然系统。是指那些不受到人为干扰或影响,或者人为干扰或影响比较小的系统。
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gravitational cement-soil retaining wall support
gravitational clustering
gravitational collapse
gravitational condensation
gravitational constant
gravitational contraction
gravitational darkening
gravitational deflection
gravitational deflection of light
gravitational differentiation
gravitational displacement
gravitational distortion
gravitational double star
gravitational drift
gravitational effect
gravitational encounter
gravitational energy
gravitational equilibrium
gravitational field
gravitational field of inversion of gravity gradient field
gravitational focusing
gravitational force
gravitational freeze-out
gravitational heat pipe
gravitational instability
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