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科学时代收录了3405121条科普词条,基本涵盖了常见科普常识及英语词汇的翻译,是科学学习和研究的有利工具。

negative program negative proposition negative proton negative proton, antiproton negative pulse
negative radical negative rail voltage measuring negative rain negative rake angle negative reactance
negative reaction negative reactivity negative reactivity effect negative reactivity feedback negative reactor
negative reading negative receiving negative reception negative reception{=NR} negative refraction
negative refraction index negative refractive index negative regulator negative reinforcement negative reinforcement bar
negative reinforcer negative relationship negative replica negative report negative reporting
negative resist Negative resist negative resistance negative resistance amplifier negative resistance amplifier circuit
negative resistance bridge negative-resistance bridge negative resistance circuits negative resistance compensation negative resistance device
negative resistance diode negative resistance effects negative resistance magnetron negative-resistance magnetron negative resistance{=NR}
negative resistance oscillation{=NRO} negative resistance oscillator negative resistance relay negative resistance tube negative resistance tube oscillator
negative response negative reticle negative return joint bonds Negative Return Joint Bonds negative rhombohedral twinning
negative rhombohedron negative rights negative ripple negative role negative rolling moment
negative rotation negative screening negative section negative segregation negative selection
negative self-view negative semidefinite form negative semidefinite Hermitian matrix negative semidefiniteness negative sense-class
negative sensitivity resistance thermometer negative sequence negative sequence braking torque negative sequence component negative sequence current carrying capacity
negative sequence impedance negative sequence network negative-sequence polyphase system negative sequence protection negative sequence reactance
negative sequence resistance negative sequence short circuit current negative set negative shape negative shedding
negative shoreline negative side negative sign negative signal input negative size
negative skewness negative skin friction negative slip negative-slump concrete negative source
NEGATIVE SPACE negative space negative specific heat Negatives Personalitätsprinzip Negative Spezialprävention
negative spike negative stability negative stabilizer negative stable matrix negative stage
negative stagger negative stain negative staining negative stall negative standard polarity
negative state relief model negative stiffness negative stiffness device negative stored charge negative substrate bias
negative supply negative supply regulation negative supply voltage{=NSV} negative surface charge negative sweep
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