【单选题】粒子处于定态意味着()
C.
粒子的力学量平均值及概率密度分布都与时间无关的状态
【简答题】Where should guests change into their swimsuits before going swimming? In their ______.
【简答题】What do prisoners do before going out? They have to ______.
【单选题】中药颗粒剂照水分测定法测定,除另有规定外,水分不得超过( )
【简答题】Before going shopping, Ruth cleans the house.28. Before going shopping, Ruth cleans the house.
【简答题】Before going to Japan,you need___.
【单选题】粒子处于定态意味着( )
C.
粒子的力学平均值及概率密度分布都与时间无关的状态
【单选题】粒子处于定态意味着?
C.
粒子的力学量平均值及概率密度分布都与时间无关系的状态
【单选题】粒子处于定态意味着 ( )
D.
粒子的力学量平均值及概率密度分布都是与时间无关的状态