单词	混合律（混合双晶）
释义	混合律（混合双晶）complex law
随便看	positive definite matrices positive definite matrix positive definite(ness) positive definiteness positive definite operator positive definite quadratic form positive definite scalar positive definite scalar product positive definite second variation positive definite sequence positive definite symmetric matrix positive definite transformation positive definitness positive degree positive density positive derail positive detection loop positive developer positive deviation positive diageotropism positive differential resistance positive direction positive-direction only energy flow positive discrimination positive displacement