单词	前震旦纪
释义	前震旦纪 qián zhèn dàn jì presinian period
随便看	neutron-diffraction neutron diffraction analysis neutron diffraction apparatus neutron diffraction--apparatus neutron diffraction camera neutron diffraction--camera neutron-diffraction--study neutron diffractometer neutron diffusion neutron-diffusion neutron diffusion coef-ficient neutron diffusion coefficient neutron diffusion coll-ing phenomenon neutron diffusion colling phenomenon neutron diffusion current neutron-diffusion current neutron-diffusion--current neutron diffusion equation neutron dispersion curve neutron distribution neutron dose neutron dosimeter neutron dosimetry neutron dosimetry--n-unit neutron drip