持续: last; continue; sustain时间: time; hour短: short; brief的: 4次方是 The fourth power of 2 i ...项目: item; article; clause; subje ...持续时间长的项目: long duration event项目持续时间: duration of project项目工期项目持续时间: project duration持续的项目: continuing projectqrs持续时间: qrs duration半持续时间: semiduration波持续时间: wave duration长持续时间: long duration持续时间: continuance; dauer, die; duration of time; duration time; endurance period; extended period; lasting; length of time; persistence time; persistency; persistent period; prolongation; standing; time duration; time length; time of duration持续时间, 为期: duration持续时间,宽度: duration期间,持续时间: duration of exciting色持续时间: color duration; colour duration雾持续时间: fog duration帧持续时间: frame duration续航时间短的战斗机: short-endurance fightert秒的持续时间: duration of t seconds暴雨持续时间: duration of storm泵浦持续时间: pumping duration比特持续时间: bit duration