例句與造句

1. Alternaria Black Spot is a polycyclic disease.
2. Upon infection the pathogen continues to produce conidia throughout the season resulting in a polycyclic disease cycle.
3. The polycyclic disease cycle of " L . taurica " is similar to that of other powdery mildew species.
4. It's difficult to find polycyclic disease in a sentence. 用polycyclic disease造句挺難的