大地震年平均发生率  The annual average rate of earthquake recurrence

大发生  mass-outbreak; serious occurrence; outbreaks; severe occurrence; Outbreak; reason

大发生虫源  outbreak population

大发生年  outbreak year

大风大浪的  boisterous

大风风速预报  strong wind speed prediction

大风日数  frequency of gale; high wind days

大块发生率  block rock index

二次风大风箱风压  air pressure of big secondary air box

风生大洋环流  wind driven ocean circulation

渐进性大发生  Gradation

蔓延性大发生  spreading-out type outbreak

台风大风  typhoon gale; strong wind of typhoon

台风大风灾害  disaster of typhoons and gales

原生大生长  primary growth in thickness

种群大发生  population rampancy

周期性大发生  periodic outbreak

低温冷风发生系统  Cooling-air generation system

低温冷风发生装置  Cooling-air generator