平均自由时间

得出离子的平均自由时间的数值等于散射几率的倒数；

The value of average ionic freedom time is equal to the reciprocal of scattering probability .

介质的电导率和离子浓度、平均自由时间成正比，与有效质量成反比的结论及有关公式、表达式。

The medium conductivity is directly proportional to ion density and average freedom time while inversely proportional to efficient quality .

离子的平均漂移速度和电场强度成正比，离子淌度与平均自由时间成正比，与有效质量成反比；

The average drifting velocity of ion is directly proportional to the electric field intensity . The ion mobility is directly proportional to its average freedom time and inversely proportional to efficient quality .

平均而言，光子被散射的时间就是它恰好传播一个平均自由路径的时间。

On average , the photon will be scattered by the time it traverses a distance of just one mean free path .