more than once

adv.

不止一次；

Statistics: The problem of examining accumulating data more than once.
Multiple mating in a lekking bird: why do peahens mate with more than one male and with the same male more than once?
Copulation frequency in birds: why do females copulate more than once with the same male?
Barrett's Esophagus on Repeat Endoscopy: Should We Look More Than Once?
Was Asian Rice ( Oryza sativa ) Domesticated More Than Once?
On Breeding More Than Once
Sulfa drugs strike more than once
Method and apparatus in radio reception for avoiding storing a message more than once
Who presents more than once? Repeat abortion among women in Britain
Resistance welding using pulse-modulated AC - chopping each half wave in prim. circuit of transformer more than once