The sperm morphology analysis using semiautomated sperm morphology analyzer (ASMA) was performed.To analyze Ureaplasma urealyticum, the culture method was used.
Empiristic analysis, through interviewing probe and questionnaire survey and multiple statistical analysis method, amends employee turnover forecast model of dynamic.
Double-frequency cipher can solve the problem of multimachine mutual interference fairly good by handling the remote control and autocorrection of welding current.