【简答题】 1 . What did Brenda have to do in order to play the drums in a band?(Para.1)
【简答题】What did Brenda have to do in order to play the drums in a brand? She had to .
【简答题】What did Brenda have to do in order to play the drums in a band?
【简答题】从麦克斯韦速率分布函数出发,求出分子按动能的分布函数,解释这个函数的物理内容,并求出分子动能的平均值.
【简答题】根据麦克斯韦速率分布函数,计算足够多的点,以为纵坐标,υ为横坐标,作1mol氧气在100K和400K时的分子速率分布根据麦克斯韦速率分布函数,计算足够多的点,以dN/N为纵坐标,υ为横坐标,作1mol氧气在100K和400K时的分子速率分布曲线.
【单选题】麦克斯韦速率分布函数 的物理意义是:它是气体分子速率
D.
处于υ~υ+dυ速率区间的分子数占总分子数的比率
【简答题】What did Brenda have to do in order to play the drums in a band? (Para. 1)
【单选题】一健康男孩,体重10.5Kg,身长80cm,出牙12颗,前囟已闭,胸围大于头围,其月龄最可能是