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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。

negative electron negative electron affinity photocathode negative element negative emotional processing negative energy
negative energy state negative energy states negative energy wave negative entropy negative entropy flow
negative excess coefficient negative exponent negative exponential distribution negative eyepiece negative feedback
negative film negative flower structure negative formula negative frequency-dependent selection negative function
negative fundamental sequence negative glow negative gradient negative growth of population negative half-trajectory
negative helicity spinors negative hologram negative hydrogen ion negative hypergeometric distribution negative hyperon
negative image negative increment of a function negative index medium negative index of inertia negative infinity
negative inotropic action negative integer negative ion negative ion mass spectrum negative ion mode
negative jump negative K group of a ring negative K-group of a ring negative K-theory negative kurtosis
negative leap second negative lens negative life event Negative likelihood ratio negative likelihood ratio
negative limit point negative limit set negative list approach to foreign investment administration negative list management negative logic
negatively definite negatively definite form negatively definite kernel negatively definite matrix negatively definite quadratic form
negatively graded module negatively invariant subspace negatively oriented base negatively pressurized irrigation negatively semi-definite
negatively stable point negatively stable solution negative magnetoresistance negative mapping negative matrix
negative meson negative metric negative molecule negative multinomial distribution negative nitrogen balance
negative norm negative number negative octant negative orientation negative orthant
negative parallax negative part negative particular proposition negative part of a function negative part of an element
negative peak negative pedal curve negative perfect correlation negative permeability materials negative permittivity materials
negative phototropism negative plate negative platemaking negative Poisson's ratio material negative polarity items
negative polarity machining negative polynomial distribution negative-positive photographic system negative pressure negative pressure injection
negative pressure method for deposit negative-pressure pulverizer with intermediate storage bunker negative pressure region negative pressure suction appliance negative priming effect
negative probability negative proposition negative punishment negative quadratic differential negative real axis
negative real number negative recurrent state negative refraction negative refraction index materials negative-refraction-index materials
negative refractive index negative regression negative reinforcement negative relation negative resistance
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