1) abnormal pressure system
非常压体系
2) unsteady pressure difference coefficient
非定常压差系数
1.
The frequency spectrums of lift coefficients and the unsteady pressure difference coefficients at(different) s.
计算得到了叶栅不同叶高处的升力系数频谱、非定常压差系数以及叶尖处不同振动时刻的熵等值线。
3) underpressure system
异常低压体系
1.
Moreover, gas diffusions also affect the formation of underpressure system at local part.
松辽盆地东南隆起区十屋断陷发育异常低压体系 ,实测的地层压力梯度介于 0 。
4) Nonconstan t_pressure
非常压
6) variable coefficients
非常系数
1.
In this paper we consider the following class of linear recurrence with variable coefficients with two indicesu i,j =f(i,j)u i-1,j-1 +g(i,j)u i-q,j-q +h(i,j), u i,0 =c i,0 ,u 0,j =c 0,j (i,j=0,1,…),u i,j =0(i<0 or j<0),where i,j=1,2,…,q≥2,f(i,j),g(i,j) and h(i,j) (i,j≥1) are variable numbers,c i,0 and c 0,j (i,j=0,1,…) are vrbitrary constants.
本文给出了两个指标的非常系数的线性递推式的显式解 。
2.
In this paper we consider the following a kind of the homogeneous recurrence of variable coefficients with two indicesui,j=f(i,j)ui-1,j-1+g(i,j)ui-q,j-qui,0=ci,0,u0,j=c0,j(i,j=0,1, .
给出了两个指标的非常系数齐次递堆式的显式解。
3.
In this paper we consider tetrachoric homogeneous difference equation with variable coefficients Where n>0, p>r>1,a.
对于非常系数的差分方程，由于无法写出其相应的有限次的特征方程，经典方法或算符演算方法都是无能为力的。
补充资料：冲击波超压与动压