... dimensionless equation无因次方程 dimensionless factor无量纲因数 dimensionless group无因次变量组 ...
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... dimensionless coefficient 无因次系数 dimensionless factor 无量纲系数 dimensionless number 无量纲值 ...
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... dimensionless coefficient 无量纲系数，无因次系数 dimensionless factor 无量纲因子 dimensionless group 无因次数群 ...
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dimensionless stress intensity factor 无量纲应力强度因子
dimensionless geometric factor 量纲一体型因子
dimensionless separation factor 无量纲系数
dimensionless wellbore storage factor 无因次井筒贮存系数
A dimensionless factor of conical nozzle is defined combined with incident laser energy,energy deposit efficiency,ambient air pressure,generatrix length and semi-apex angle of nozzle,and it is extended to the study of parabolic nozzle.
提炼了由入射激光能量、能量沉积率、环境气体压强、喷管母线长度及其半顶角组合而成的圆锥形喷管无量纲因子,并将其推广到抛物形喷管的研究中。
参考来源 - 两种构形喷管的激光推进冲量耦合系数数值研究A dimensionless factor of conical nozzle is defined combined with incident laser energy,energy deposit efficiency,ambient air pressure,generatrix length and semi-apex angle of nozzle,and it is extended to the study of parabolic nozzle.
提炼了由入射激光能量、能量沉积率、环境气体压强、喷管母线长度及其半顶角组合而成的圆锥形喷管无量纲因子,并将其推广到抛物形喷管的研究中。
参考来源 - 两种构形喷管的激光推进冲量耦合系数数值研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The results show that, impulse and impulse coupling coefficient firstly increase and then decrease with the augment of the dimensionless factor when cone angle is fixed;
结果表明：当锥角固定时，冲量和冲量耦合系数随无量纲因子先增大后减小，极大值对应的无量纲因子仅与气体比热比相关；
However, the calibration of the dimensionless stress intensity factor, which is an important mechanical parameter, is still in question.
但是，该试样的重要力学参数即无量纲应力强度因子的标定尚有问题。
The dimensionless average formation pseudo pressure is directly proportional to the dimensionless producing time if the influence of wellbore storage coefficient and skin factor is neglected.
在不考虑井筒储集系数和表皮系数影响的情况下，无量纲平均地层拟压力与无量纲生产时间成正比。
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