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科学时代收录了1160609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。

pulse-height spectrum	pulse height spectrum	pulse-height-to-time convertor	pulse illuminator	pulse infusion shot firing
pulse infusion shot firing	pulse input	pulse instrumentation radar	pulse jet	pulse-jet cleaning
pulse jet engine	pulsejet missile	pulse laser fuze	pulse laser radar	pulse length
pulse lengthener	pulse loading	pulse mass spectrometer	pulse matching	pulse-mode-atom fluorescence
pulse modulation	pulse modulation	pulse motor	pulse nuclear radiation	pulse-operated cyclotron
pulse output	pulse pattern generator	pulse peaker	pulse pile-up	pulse plating
pulse polarograph	pulse position modulation	pulse position modulation (PPM)	pulse power	pulse power supply
pulse pressure	pulse pyrolysis	pulser	pulser	pulse radar
pulse radar	pulse radar	pulse radiation source	pulse radiolysis	pulse radiolysis method
pulse rate	pulse-rate multiplication	pulse rebalance	pulse receiver	pulse recurrence frequency
pulse reflection	pulse-registering device	pulse relay	pulse repetition frequency	pulse repetition frequency
pulse repetition frequency (PRF)	pulse response	pulse response	pulse rise time	pulse rise time
pulse rise time	pulse rise time	pulse rocket motor	pulse sampler	pulse-sampling technique
pulse selection	pulse sensor	pulse separation	pulse sequence	pulse shape
pulse shape	pulse shape discrimination	pulse shape discrimination	pulse shape discrimination unit	pulse shaping
pulse shaping network	pulse signal	pulse-size analyzer	pulse solar simulator	pulse solid rocket engine
pulse spacing	pulse spacing	pulse spacing	pulse spectrometer	pulse spectrum
pulse spectrum	pulse strength	pulse stretcher	pulse stretching	pulse-stretching circuit
pulse survey	pulse system	pulse telemetry parameter	pulse thermal reactor	pulse time modulation
pulse-time modulation	pulse train	pulse transducer	pulse transmission	pulse triggering
pulse-type airborne electromagnetic instrument	pulse variations corresponding to seasonal changes	pulse wave	pulse wave	pulse width
pulse width	pulse width	pulse width	pulse-width modulated inverter	pulse width modulation
pulse width modulation	pulse width modulation	pulse width modulation--pulse width modulation (PWM)	pulse width modulation--pulse width modulation (PWM)	pulse width modulation (PWM)
pulse width modulation (PWM)	pulse width modulation (PWM)	pulse width modulator	pulse width-pulse frequency modulation control	pulse window
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