accumulationn.积聚；累积；积聚物accumulation period累积期间Accumulation Models成藏模式accumulation center堆积中心accumulation system成藏体系accumulation of yin并阴accumulation damage累积损伤accumulation phases成藏期次accumulation season(冰川的) 储积期accumulation memory累积记忆accumulation factor累积算式,本利滚计式,复利终值