平均自由行程 [物] mean free path ; path mean-free ; mean free paths
平均自由时间 [物] mean free time
平均自由径 mean free path
平均自由飞行时间 mean free time
平均自由通路 [物] mean free path
平均自由路径 Mean free path
散射平均自由程 [物] scattering mean free path
碰撞平均自由程 mean free path for collision ; collision mean-free path ; free path
碰撞平均自由路程 collision mean free path
裂变平均自由程 mean free path for fission ; fission mean-free path
然而,根据美国疾病控制和预防中心的数据,男性的平均身高(5英尺9英寸)、女性的平均身高(5英尺4英寸)自1960年以来并没有真正改变。
Yet according to the Centers for Disease Control and Prevention, average height-5'9'' for men, 5'4'' for women-hasn't really changed since 1960.
美国平均房价自1990年以来首次下降。
The first year average U.S. home prices had declined since 1990.
数据显示,如果把制造业和服务业归并在一起,那么自1987年以来,生产力平均每年增长1.2%。
The data show that, if you lump manufacturing and services together, productivity has grown on average by 1.2% since 1987.
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