durations持续期
durationn.持续时间;期间
Duration of chemotherapy化疗期
Duration of study at PKU申请在北京大学学习期限
duration of eggs fertile卵子维持受精能力的时间
duration difference lime时程辨差阈
Duration of fermentation发酵时间
duration of wave-front波前宽度
Duration of Study at DMU留学期间
duration of interruption中断持续时间
duration of distillation蒸馏时段
duration time modulation时间宽度调制