无量纲化方差相似性
variance similarity
Non-dimensional variance similarity
水力特性相似准则
similarity law for hydraulic performance
双定性相似度S(F)和S(F’)
dual qualitative similarities S(F) and S
双定性相似度
double qualitative similarities
dual qualitative similarities
生态位相似性比例
Niche proportional similarity
niche similarity
三类相似性问题
Three classes of analogy problems
平面相似性
planimetric shape outline