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更有利于个体适应环境和生存繁衍的突变产生后,在被选择固定的过程中,与之紧密连锁的染色体区域由于搭车效应(hitchhiking effect)也被固定下来,由此导致基因组区段多态性下降的现象。
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pulse continuously variable transmission
pulse control system
pulse counter
pulse counting
pulse-counting photometer
pulse current method
pulsed
pulse damper
pulsed dye technique
pulse delay
pulse delay circuit
pulse delay line
pulsed electromagnetic field
pulsed electromagnetic field therapy
pulse detonation engine
pulsed fiber amplifier
pulsed field gel electrophoresis,PFGE
pulsed field gradient
pulsed field gradient (PFG)
pulsed Fourier transform ESR spectrometer
pulsed Fourier transform nuclear magnetic resonance spectrometer
pulsed gradient spin echo
pulsed high magnetic field
pulse diagnosis
pulsed infrared thermal imaging system
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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