实验表明：随着油水比的增大，液体的体积模量也是先增大后减小。
Experiments show: Liquid bulk elastic modulus is increased and then decreased with the increase of ratio of oil to water.
随着煤粉的输送流量的增大，固气比先增大后减小。
With increase of mass flow rate, solid-gas ratio increases first and then decreases.
在相同的实验条件下，卷烟的自由燃烧速度随助燃剂添加量的增加呈先增大后减小的变化规律。
The static burning rate of cigarette is first increased, continuously come up to a "peak value", and then let up while the dosage of burning accelerant is increased.
应用推荐