半线性双调和方程
semilinear biharmonic equations
半线性双曲方程
semi-linear hyperbolic equations
半线性双曲系统
Semi-linear hyperbolic system
一阶半线性双曲型方程组
first order semilinear hyperbolic systems
与年龄相关的半线性时变种群系统
a semilinear age dependent time varying population system
不变对称双线性型
invariant symmetric bilinear form
弹塑性双线性本构关系
bilinear elastic-plastic constitutive relation
elastic-plastic bilinear constitutive relation
对称不变双线性型
invariant bilinear symmetric form
对称偏态双线性的效用函数
Skew-symmetric bilinear (SSB) utility function
反称双线性型
skew-symmetric bilinear form