单词	σ形角
释义	σ形角医sigma angle
随便看	polarisation resistance method polarisation reversal polarisations polarisation state polaris attachment Polaris ATV polaris aurora polaris control and information center polariscop polariscope polariscopes polariscope tube polariscopic polariscopically polariscopic analysis polariscopic analysis antigenic polariscopic examination polariscopy Polaris correction Polaris Documentation Control polarise polarised polarised deuteron target polarised, light polaris engineering technical service