传质传热
mass and heat transfer
transfer quality and heat
内部遗传异质性
Intra-varietal Heterogeneity
均质-异质催化剂
homogeneous[-]heterogeneous catalysis
各向异向扩散方程
anisotropic diffusion equation
(改进)环形反向传播网络
improved) circular ba ck-propagation network
8字形指向传声器
figure-of-eight microphone
BP反向传播人工神经网络
BP Back Propagation Artificial Neural Network Mode