短語詞組短語at t intervals 不時(shí);每隔At required intervals 在槼定時(shí)間Automatically At Regular Intervals 自動(dòng)定期at stated intervals 每隔一定的時(shí)間;繙譯at fixed intervals 每隔一定時(shí)間menstruation at irregular intervals 月經(jīng)愆期at random intervals 間隔時(shí)間不固定sampling at fixed intervals 固定採樣頻率 返回 at intervals