它应该等于压强，或者说是单位面积上的受力。
本质上来说压强是这些分子，单位时间轰击薄膜的力，乘以轰击的分子数。
Is basically the force of these molecules hitting that membrane per unit time, times the number of molecules hitting.
缩写p【物理学】压力；压强：统一作用于物体表面的力量，用每一单位面积上的压力计量。
Abbr. PPhysics force applied uniformly over a surface, measured as force per unit of area.
分别以砂浆抗压强度、粉煤灰单位强度因子为指标研究了砂浆体系中粉煤灰的最佳掺量范围。
The concept of fly ash-saturation was put forward based on the index of maximum compressive strength and optimal unit strength factor of fly ash in cementing materials, respectively.
提出了通过比较金刚石施加给岩石单位面积的压力与岩石抗压强度来设计金刚石浓度；
The design plan of diamond concentration is submitted by comparing the pressure of rock unit area forcing by diamond with crack strength of rock;
提出了通过比较金刚石施加给岩石单位面积的压力与岩石抗压强度来设计金刚石浓度；
The design plan of diamond concentration is submitted by comparing the pressure of rock unit area forcing by diamond with crack strength of rock;
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