Mainoli马伊诺利mainadj.主要的；最重要的n.干线；总管道；[pl](水、煤、电)供应系统；<古>大海main content of military dialectics军事辩证法主要内容main liquid-fuelled rocket engine液体燃料主火箭发动机main transverse watertight bulkhead主横向水密舱壁Main component analytical technique主成分分析main operation housekeeping routine主操作内务程序main factors of integral increasing积分增长主因素main-assistant double intake duct主辅双进气道Main water-spread system in pools池内布水主系统main-chain-end funtionalization主链链端功能化Main Healthcare Places and Footbath

1. Aftershocks are generally weaker than the main quake, but buildings that have already been damaged are prone to collapse in an aftershock.
   通常余震比主震弱，但是，在主震中受损的建筑往往因余震倒塌。
2. However, the earliest long-period seismographs recorded dispersive waves with large transverse displacement components in the main tremor.
   但是，最早期的地震记录，就记录下了主震中具有很大横向位移分量的频散波。