outbreak of pests

• 大发生

outbreak of pests的用法和样例：

例句

1. The key meteorological factors affecting summer locust outbreak were selected by using Spearman Order Correlation methods.
   利用秩相关系数法，筛选出影响河北省洼淀和沿海两个类型区夏蝗大发生的关键气象因子。