fecundation造句
Theendospermdevelopsintonucleartypeafterfecundation.Therateofcow'soestrumfecundationisonekeyfactorofcattle'sbreedingrate.Egghatchabilitywasaffectedsignificantlybyirradiationbuttherewasnosignificantd...
Theendospermdevelopsintonucleartypeafterfecundation.Therateofcow'soestrumfecundationisonekeyfactorofcattle'sbreedingrate.Egghatchabilitywasaffectedsignificantlybyirradiationbuttherewasnosignificantd...