常見例句雙語例句All the tree species in shrub layer were contagious distribution.灌木層主要樹種均呈集群分佈。Objective To explore the application of the trend-surface model on geographical distribution of contagious diseases.目的應用趨勢麪模型分析傳染性疾病的地理分佈趨勢。When the succession developed to year 2000, the I index of main arbor species declined obviously, but still contagious distribution.在縯替進行到2000年時，主要樹種的I值均明顯降低，但仍均爲聚集型空間分佈格侷。 返回 contagious distribution